German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...

 
CONTINUE READING
German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...
German Green City Index
Assessing the environmental performance of 12 major German cities

A research project conducted by the Economist Intelligence Unit, sponsored by Siemens
German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...
Hamburg

                                                                                        Bremen

                                                                                                                                             Berlin

                                                                                                         Hanover

                                                                              Essen
                                                                                                                                   Leipzig

    Contents                                                                Cologne

    German Green City Index

                                                                                      Frankfurt

          4 Introduction: The challenges of    City portraits 20 Berlin
                                                                                                                     Nuremberg
             urbanization in Germany                         24 Bremen                Mannheim

                                                             28 Cologne
          6 Results                                          32 Essen
                                                                                             Stuttgart
                                                             36 Frankfurt
          9 Overall key findings                             40 Hamburg
                                                             44 Hanover
         14 Key findings from the categories                 48 Leipzig                                                   Munich
                                                             52 Mannheim
         17 Methodology                                      56 Munich
                                                             60 Nuremberg
                                                             64 Stuttgart

2                                                                                                                                                     3
German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...
The challenges of urbanization in Germany
    German Green City Index

B   y 2050, more than two-thirds of the world’s
    population will live in cities, up from about
half today, according to United Nations fore-
                                                     that the choices cities make, both globally and in
                                                     Germany, will be key in facing global environ-
                                                     mental challenges such as climate change.
                                                                                                          study is to provide information about the envi-
                                                                                                          ronmental performance and initiatives of the
                                                                                                          various cities to stakeholders, to support them in
                                                                                                                                                               their particular strengths and weaknesses and
                                                                                                                                                               highlight selected green initiatives. The city por-
                                                                                                                                                               traits offer an opportunity to discuss the actions
                                                                                                                                                                                                                     man Green City Index. The study differs from
                                                                                                                                                                                                                     those done by other institutions because it did
                                                                                                                                                                                                                     not rely on voluntary submissions from city gov-
                                                                                                                                                                                                                                                                           licly available data was used whenever possible
                                                                                                                                                                                                                                                                           and was evaluated using a uniform, transparent
                                                                                                                                                                                                                                                                           scoring process. Each city received points for its
casts. The global trend is already advanced in       Some challenges, such as improving air quality,      making choices about additional activities in the    taken by the cities and pass along valuable expe-     ernments, but was conducted independently             performance in the eight individual categories
Europe, where about 73% of people live in cities,    reducing waste through recycling or containing       area of climate and environmental protection         rience that has been gained.                          instead.                                              and also for its overall result. On that basis, the
and in Germany, where 74% are urban dwellers.        urban sprawl, will be more localized but no less     and to stimulate a dialog about the best solu-                                                             The methodology (see page 17) was developed           German cities were classified in performance
The figures for both Europe as a whole and Ger-      important to residents.                              tions.                                               How the study was done: The German                    by the Economist Intelligence Unit in coopera-        bands and compared with the 30 European
many are expected to rise by 10% within the          Against that background, the German Green            The study is divided into four sections. The first   Green City Index is part of the international         tion with Siemens. An independent panel of            cities. However, numbers alone do not tell the
next 40 years.                                       City Index considers the sustainability of 12 ma-    section summarizes the overall key findings of       “Green City Index” research series conducted by       urban sustainability experts provided important       whole story. So the results were combined into
Increasing urbanization leads to major chal-         jor German cities, examining their use of re-        the study. The second section presents key find-     the Economist Intelligence Unit as an indepen-        insights on the methodology. Both the number          detailed individual profiles. They describe the
lenges for the environment and for infrastruc-       sources and their commitment to environmen-          ings in the eight categories: CO2 emissions,         dent research partner, and sponsored by               and the breadth of the underlying indicators are      challenges, strengths, and potential of each city,
ture, for example, in the form of increasing ener-   tal protection. To allow a comparison with other     energy, buildings, transport, water, waste and       Siemens. It compares more than 100 of the             noteworthy: The Index scores each city on 30 in-      as well as innovative green ideas and projects.
gy demand. The European Environment Agency           cities in Europe, the results of the German cities   land use, air quality, and environmental gover-      world’s major cities; Indexes have already been       dividual quantitative and qualitative indicators      Projects that could inspire other cities were of
(EEA) estimates that almost 70% of Europe’s          are presented in the context of the European         nance. The third section discusses in detail the     published for Europe (2009), Latin America            for various aspects related to the environment        particular interest.
energy is consumed in cities. Globally this is       Green City Index, which was published in 2009.       methodology, data collection and the construc-       (2010), and Asia (2011). Every German city with       and infrastructure, such as the city’s environ-
even more apparent – urban areas account for         This creates an Index containing a total of 41       tion of the Index. The fourth section presents       a population over one million and all metropoli-      mental governance, its water consumption, its
80% of global CO2 emissions today. It is clear       European and German cities. The purpose of the       portraits of the 12 German cities which illustrate   tan regions in Germany are covered in the Ger-        recycling rate, or its level of CO2 emissions. Pub-

4                                                                                                                                                                                                                                                                                                                           5
German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...
Overall results
          Well above
           average

            Above      Amsterdam    Frankfurt   Mannheim    Stuttgart
           average     Berlin       Hamburg     Munich      Vienna
                       Bremen       Hanover     Nuremberg   Zurich
                       Brussels     Helsinki    Oslo
                       Copenhagen   Leipzig     Stockholm

           Average     Cologne      Riga
                       Essen        Rome
                       London       Vilnius
                       Madrid       Warsaw
                       Paris

            Below      Athens       Lisbon
           average     Bratislava   Ljubljana
                       Budapest     Prague
                       Dublin       Tallinn
                       Istanbul

          Well below   Belgrade
           average     Bucharest
                       Kiev
                       Sofia
                       Zagreb

    Results
    German Green City Index

                       CO2                                                           Energy                                                       Buildings                                                     Transport
          Well above   Oslo                                             Well above   Copenhagen                                      Well above                                                    Well above   Stockholm
           average     Stockholm                                         average     Oslo                                             average                                                       average
                                                                                     Vienna

            Above      Amsterdam    London      Vienna                    Above      Amsterdam    Stockholm                            Above      Amsterdam    Frankfurt   Mannheim    Stockholm     Above      Amsterdam    Copenhagen   Mannheim    Vienna
           average     Berlin       Madrid      Zurich                   average     Brussels     Stuttgart                           average     Berlin       Hamburg     Munich      Stuttgart    average     Berlin       Essen        Munich      Zurich
                       Brussels     Nuremberg                                        Leipzig      Zurich                                          Bremen       Hanover     Nuremberg   Vienna                   Bremen       Frankfurt    Nuremberg
                       Copenhagen   Paris                                            Munich                                                       Copenhagen   Helsinki    Oslo        Zurich                   Brussels     Hamburg      Oslo
                       Helsinki     Rome                                             Rome                                                         Essen        Leipzig     Paris                                Cologne      Hanover      Stuttgart

           Average     Bremen       Istanbul    Riga                     Average     Athens       Dublin      Helsinki   Mannheim     Average     Brussels     Rome                                 Average     Bratislava   Madrid
                       Cologne      Leipzig     Stuttgart                            Belgrade     Essen       Istanbul   Nuremberg                Cologne      Sofia                                            Budapest     Riga
                       Frankfurt    Ljubljana                                        Berlin       Frankfurt   Lisbon     Paris                    Lisbon       Vilnius                                          Helsinki     Tallinn
                       Hamburg      Mannheim                                         Bratislava   Hamburg     London     Warsaw                   London       Warsaw                                           Leipzig
                       Hanover      Munich                                           Cologne      Hanover     Madrid     Zagreb                   Madrid                                                        Ljubljana

            Below      Athens       Dublin      Vilnius                   Below      Bremen       Vilnius                              Below      Athens       Dublin                                Below      Athens       London       Vilnius
           average     Belgrade     Essen       Warsaw                   average     Bucharest                                        average     Belgrad      Ljubljana                            average     Bucharest    Paris        Warsaw
                       Bratislava   Lisbon      Zagreb                               Budapest                                                     Bratislava   Prague                                           Istanbul     Prague       Zagreb
                       Bucharest    Prague                                           Prague                                                       Bucharest    Riga                                             Kiev         Rome
                       Budapest     Tallinn                                          Riga                                                         Budapest     Zagreb                                           Lisbon       Sofia

          Well below   Kiev                                             Well below   Kiev                                            Well below   Istanbul                                         Well below   Belgrad
           average     Sofia                                             average     Ljubljana                                        average     Kiev                                              average     Dublin
                                                                                     Sofia                                                        Tallinn
                                                                                     Tallinn

6                                                                                                                                                                                                                                                              7
German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...
Results
    German Green City Index

                     Water                                                          Waste and land use
        Well above                                                     Well above
         average                                                        average

          Above      Amsterdam    Copenhagen   Leipzig     Nuremberg     Above      Amsterdam    Frankfurt   Munich      Vienna
         average     Berlin       Essen        London      Paris        average     Berlin       Hamburg     Nuremberg   Zürich
                     Bremen       Frankfurt    Madrid      Stuttgart                Bremen       Hanover     Oslo
                     Brussels     Hamburg      Mannheim    Vienna                   Copenhagen   Helsinki    Stockholm
                     Cologne      Hanover      Munich      Zurich                   Essen        Leipzig     Stuttgart

         Average     Athens       Oslo         Vilnius                  Average     Brussels     London      Tallinn
                     Bratislava   Prague                                            Budapest     Mannheim    Vilnius
                     Budapest     Rome                                              Cologne      Paris
                     Dublin       Stockholm                                         Dublin       Prague
                     Helsinki     Tallinn                                           Ljubljana    Rome

          Below      Istanbul                                            Below      Athens       Madrid
         average     Kiev                                               average     Belgrad      Riga
                     Lisbon                                                         Bratislava   Warsaw
                     Riga                                                           Istanbul     Zagreb
                     Warsaw                                                         Lisbon

        Well below   Belgrad                                           Well below   Bucharest
         average     Bucharest                                          average     Kiev
                     Ljubljana                                                      Sofia
                     Sofia
                     Zagreb

                                                                                    Environmental
                                                                                                                                        Overall key findings
                     Air quality                                                    governance
                                                                                                                                       German Green City Index
        Well above   Stockholm                                         Well above
         average     Vilnius                                            average

          Above
         average
                     Berlin
                     Bremen
                     Copenhagen
                                  Hanover
                                  Helsinki
                                  Leipzig
                                               Stuttgart
                                               Tallinn
                                                                         Above
                                                                        average
                                                                                    Amsterdam
                                                                                    Bremen
                                                                                    Brussels
                                                                                                 Hamburg
                                                                                                 Helsinki
                                                                                                 Mannheim
                                                                                                             Stockholm
                                                                                                             Stuttgart
                                                                                                             Warsaw
                                                                                                                                  T    o deepen the understanding of the environ-
                                                                                                                                       mental strengths and weaknesses of the
                                                                                                                                  German cities, their results are analyzed in the
                                                                                                                                                                                       have a higher percentage of industry (from 36%
                                                                                                                                                                                       to 39%) than Istanbul, the most industrialized
                                                                                                                                                                                       city in the European Green City Index, at 33%.
                                                                                                                                                                                                                                          “above average”) when the results are compared
                                                                                                                                                                                                                                          with all 41 cities in the Index (see graphic on
                                                                                                                                                                                                                                          pages 12/13). The range of results for the other
                     Dublin       Mannheim                                          Copenhagen   Oslo        Vienna
                     Hamburg      Riga                                              Essen        Paris       Zurich               context of the European Green City Index, which      These factors were taken into account when         European cities is much wider, regularly stretch-
                                                                                                                                  was published in 2009. Examining a few general       comparing and contrasting the environmental        ing across four, and even all five, performance
         Average     Amsterdam    Ljubljana    Oslo        Vienna       Average     Berlin       Leipzig     Munich
                     Brussels     London       Paris       Zurich                   Budapest     Lisbon      Nuremberg            features shows that the German cities tend to be     performance of German cities with the rest of      bands. It can clearly be seen that German cities
                     Cologne      Madrid       Prague                               Cologne      Ljubljana   Riga                 much smaller – but also more affluent – than         Europe.                                            often do well or poorly at the same things. All
                     Essen        Munich       Rome                                 Frankfurt    London      Tallinn
                     Frankfurt    Nuremberg    Warsaw                               Hanover      Madrid      Vilnius              the other European cities. The average city has                                                         German cities score well for low water consump-
                                                                                                                                  less than one million inhabitants, while the aver-   The German cities’ Index results                   tion, for example. Regarding policies, the perfor-
          Below      Bratislava                                          Below      Athens       Rome
         average     Budapest                                           average     Belgrad      Zagreb
                                                                                                                                  age population in the European Green City Index      are very similar to each other,                    mance is even more consistent. For 26 out of 40
                     Istanbul                                                       Bratislava                                    is about 2.5 million. Compared with the other        reflecting the federal govern-                     qualitative criteria in the Index, every German
                     Lisbon                                                         Dublin
                                                                                    Kiev
                                                                                                                                  cities in Europe, the gross domestic product         ment’s efforts to simplify environ-                city had the same score (usually full marks), and
                                                                                                                                  (GDP) of the German cities puts them in the top      mental policies in Germany, as well                for a further five criteria there were only one or
        Well below   Athens       Zagreb                               Well below   Bucharest                                     income group, although per capita GDP varies         as the highly developed environ-                   two differences. Even when cities scored less
         average     Belgrad                                            average     Istanbul
                     Bucharest                                                      Prague                                        widely between €22,500 in Berlin and €67,900         mental awareness of the citizens.                  well on some qualitative issues, they did so
                     Kiev                                                           Sofia                                         in Frankfurt.1) In contrast, industry’s contribu-                                                       together. For example, no German city has
                     Sofia                                                                                                        tion to gross value creation is much higher in       Overall, and in six out of the eight categories,   water recycling.
                                                                                                                                  Germany than in the European cities. Three Ger-      German cities rank across just one or two of the   This homogeneity reflects, in part, the impor-
                                                                                                                                  man cities, Mannheim, Essen and Stuttgart,           five performance bands (mainly “average” and       tant role of the German federal government in
                                                                                                                                  1) In real GDP per person, based on 2000 prices.

8                                                                                                                                                                                                                                                                                         9
German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...
tal performance doesn't have to be only a luxury      When compared with European
                                                                                                                                                                                                                  good and is something to which every city can         cities of similar wealth, German
                                                                                                                                                                                                                  aspire.                                               cities fall short of the top tier.

                                                                                                                                                                                                                  German cities compare very well                       As mentioned above, German cities perform
                                                                                                                                                                                                                  with other European cities on                         well when compared with the 29 cities in the
                                                                                                                                                                                                                  environmental performance,                            European Green City Index. However, the pat-
                                                                                                                                                                                                                  especially regarding policies.                        tern is somewhat different when the compari-
                                                                                                                                                                                                                                                                        son is limited to the 12 German cities and the
                                                                                                                                                                                                                  When the overall results of the German Green          14 other European cities with a similar range of
                                                                                                                                                                                                                  City Index are compared with the 2009 Euro-           income, i.e., over €22,500 real GDP per person3)
                                                                                                                                                                                                                  pean Green City Index, 10 of the 12 German            (see graphic at the bottom of page 12). Most of
                                                                                                                                                                                                                  cities are above average, the highest ranking         the 12 German cities now fall into the average
                                                                                                                                                                                                                  achieved by any European city. German cities          band, and only Berlin is above average. With that
                                                                                                                                                                                                                  are particularly strong on environmental strate-      rating, most of the German cities outperform
                                                                                                                                                                                                                  gies and policies – such as energy efficiency         European cities such as London, Madrid, Dublin
                                                                                                                                                                                                                  standards for buildings or the promotion of           and Rome, but they fall behind the “greenest”
                                                                                                                                                                                                                  public transport – which make up about half           European leaders such as the Scandinavian capi-
directing and implementing urban sustainability     Federal Republic of Germany and the former          tal performance, this relationship was absent in    Eastern bloc trying to overcome the legacy of         of the indicators that were measured. If those        tal cities, Amsterdam and Zurich. This could sug-
policies. The Ministry of Transport, Building and   German Democratic Republic in the 1970’s and        the German Green City Index. This is even more      poor infrastructure and pent-up demand for            indicators alone are measured, 11 of the 12 Ger-      gest that the strong influence of the German
Urban Affairs, for example, develops standard-      1980’s. In the east, the movement was one of        surprising given the wide range in income           western conveniences, such as automobiles.            man cities are above average overall. This            federal government and the environmental
ized, nationwide regulations for building codes     the country’s few independent voices, while in      among the German cities, from GDP of €22,500        The German Green City Index found no indica-          strength is consistent across most individual cat-    awareness of the citizens raise the performance
and grants financial aid for groundbreaking         the west it led to the creation of Green parties.   per person in Berlin to €67,900 in Frankfurt.2)     tions of a gap between east and west, but it eval-    egories, and no city’s qualitative scores ever fell   of cities with lower per capita GDP but may not
urban development projects. It also has one of      More recently, green issues have been pivotal in    This suggests that uniform German policies set      uated only two former East German cities –            below average (see graphic at the bottom of           provide sufficient incentives for richer cities
the largest budgets of any federal ministry. This   German local elections, putting the Green party     by the federal government have helped smooth        Leipzig and (East) Berlin. It is notable that, in     page 13).                                             to develop and adopt more ground-breaking
is also intended to address climate-related prob-   in charge of a state government, Baden-Würt-        out the effects of any income differences on        these two cities at least, the differences com-       The quantitative scores, which evaluate current       approaches.
lems – for example making mobility more envi-       temberg, for the first time.                        environmental performance. For example, low-        pared with western Germany do not show up –           infrastructure and consumption levels, tell a
ronmentally friendly or promoting the develop-                                                          income European cities had far less ambitious       both rank above average overall. Both Berlin and      slightly different story. Here the German cities
ment of city centers. Federal influence, already    Environmental protection is not a                   environmental policies, while in Germany even       Leipzig are particularly strong on infrastructure     turn in less consistent performances. As shown
strong, has generally been growing. Since 2006,     luxury: In contrast to other                        lower-income cities do well. Indeed, the Euro-      indicators, suggesting that substantial invest-       by the graphic at the top of page 13, the cities
the federal government has begun to develop         European cities, neither income                     pean Green City Index cited Berlin as a leading     ments in recent years have overcome potential         have strong performances in the buildings and
regulations on a wider range of urban environ-      nor historical development was                      example of how cities with lower incomes can        divides. In addition, there was no correlation        water categories and weaker performances in
mental issues and increased its efforts to bring    shown to affect the environmental                   still benefit from ambitious environmental tar-     between overall environmental performance             CO2 emissions, transport, energy, and air quali-
uniformity to environmental legislation.            performance of German cities.                       gets and policies.                                  and levels of industrialization in German cities or   ty. Because environmental policies are an indica-
Another factor is Germany’s history of environ-                                                         Another finding of the 2009 European Green          in the European Green City Index. Generally,          tion of potential future improvements, the Index
mental awareness. Prussia had a nature conser-      While the European Green City Index showed a        City Index: There was also a noticeable divide in   these results of the German cities imply that, no     suggests that, over time, the environment in
vation department before World War I. Environ-      strong correlation between average income (as       environmental performance between eastern           matter the level of income, historical develop-       these cities should get better as more advanced
mental movements developed in both the              measured by GDP per person) and environmen-         and western Europe, with cities in the former       ment or levels of industrialization, environmen-      policies have an impact.
                                                                                                        2) In real GDP per person, based on 2000 prices.                                                                                                                3) In real GDP per person, based on 2000 prices

10                                                                                                                                                                                                                                                                                                                        11
German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...
How the cities scored

Overall results                                     Well
                                                   below
                                                             Below
                                                            average
                                                                                 Average            Above
                                                                                                   average
                                                                                                                       Well
                                                                                                                      above
                                                                                                                                    1) Quantitative                                              Well     Below                Average            Above              Well
                                                                                                                                                                                                below    average                                 average            above
of all 41 cities                                  average                                                            average        indicators                                                 average                                                             average

➔ 16 quantitative and                                                                                                               ➔ 16 quantitative indicators
                                          CO2       2       1    12                   9    3        2    10             2                                                              CO2       1        7        8             4          8         10              3
14 qualitative indicators                                                                                                           ➔ Such as CO2 emissions, energy
                                                                                                                                    and water consumption,
                                       Energy       4        1       5            8       12        3       5           3           recycling rate                                  Energy      1 3        1       6            7       10        3       8           2

                                     Buildings      3           10                 1      8        11 8                                                                           Buildings      3         10                    2          8    10 8

                                     Transport      2           13                 1      7        11 6                 1                                                         Transport      3         3       6            8           9     1    10             1

                                        Water       5            5                    11           12       8                                                                        Water       5             7                    13            12 4

                                    Waste and                                                                                                                                    Waste and
                                                    3            9                 2      10       10 7                                                                                           1        12                   5           9     5       7           2
                                     land use                                                                                                                                     land use

                                    Air quality     6            4                5 12              7       5           2                                                        Air quality     4             7                7       11        5 4                 3

                                Environmental                                                                                                                                Environmental
                                                    4            7                7       8        5 10                                                                                                  No quantitative indicators measured
                                  governance                                                                                                                                   governance
                                                                                                                                    ➔ Upshot: German cities show
     12 German cities                                                                                                               some weaknesses in actual
                                Overall result      5            9                 2      7        10 8                             consumption levels and infra-            Overall result      4        1        8            4 10              7        5          2
     29 European cities
                                                                                                                                    structure
                                                                         Number of German cities        Number of European cities                                                                                      Number of German cities        Number of European cities

Scores of cities                                    Well
                                                   below
                                                             Below
                                                            average
                                                                                 Average            Above
                                                                                                   average
                                                                                                                       Well
                                                                                                                      above
                                                                                                                                    2) Qualitative                                               Well     Below                Average            Above              Well
                                                                                                                                                                                                below    average                                 average            above
with comparable income                            average                                                            average        indicators                                                 average                                                             average

                                                                                                                                    ➔ 14 qualitative indicators
                                          CO2                8       2             4 3                  7               2                                                              CO2       4             7                6           8     6 10
➔ German and European cities                                                                                                        ➔ Such as promotion of clean
with > €22,500 GDP per capita                                                                                                       energies, waste reduction efforts,
                                       Energy       1        2       4             8      4         1     4             2           public participation in green policies          Energy       4         10                    7          7     5        8

Berlin            Amsterdam
Bremen            Athens             Buildings      3            2                5       8         7 1                                                                           Buildings      5         10                           5        12        9
Cologne           Brussels
Essen             Copenhagen
Frankfurt         Dublin             Transport      1            5                    8    3        4 5                                                                           Transport      4         11                       1       6    11 8
Hamburg           Helsinki
Hanover           London
                                        Water       5            1                 5 5              7       3                                                                        Water       4             5               12 14                  4               2
Leipzig           Madrid
Mannheim          Oslo
Munich            Paris             Waste and                                                                                                                                    Waste and
                                                    3            4                 6       3        6 4                                                                                          4             4                2       12       10        9
Nuremberg         Rome               land use                                                                                                                                     land use
Stuttgart         Stockholm
                  Vienna            Air quality     1        2       5             6 4              4 3                 1                                                        Air quality     6             5                        5        12 13
                  Zurich
                                Environmental                                                                                                                                Environmental
                                                    3           3 1                   8    2        1       8                                                                                    4             7                 7          8     5 10
                                  governance                                                                                                                                   governance
                                                                                                                                    ➔ Upshot: Environmental
                                                                                                                                    policies make a decisive con-
                                Overall result      3           1 2               10       3        1       6                       tribution to the good results            Overall result      3            10                 1          8    11 8
                                                                                                                                    of German cities
                                                                         Number of German cities        Number of European cities                                                                                      Number of German cities        Number of European cities

12                                                                                                                                                                                                                                                                                13
German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...
➔ Accordingly, all 12 German cities are above
                                                                                                                                                                                                                                                                                                                                                   average in promoting energy efficiency for
                                                                                                                                                                                                                                                                                                                                                   buildings compared with Europe.
                                                                                                                                                                                                                                                                                                                                                   ➔ Germany’s strict policies are having a positive
                                                                                                                                                                                                                                                                                                                                                   effect on the energy consumed by residential
                                                                                                                                                                                                                                                                                                                                                   buildings: It is far lower in the German cities, at
                                                                                                                                                                                                                                                                                                                                                   an average of 702 megajoules per square meter,
                                                                                                                                                                                                                                                                                                                                                   compared with 921 megajoules per square
                                                                                                                                                                                                                                                                                                                                                   meter for the other European cities.

                                                                                                                                                                                                                                                                                                                                                   Transport: German cities are actively pursu-
                                                                                                                                                                                                                                                                                                                                                   ing sustainable transport policies but are having
                                                                                                                                                                                                                                                                                                                                                   difficulty getting people out of their cars.

                                                                                                                                                                                                                                                                                                                                                   In detail:
                                                                                                                                                                                                                                                                                                                                                   ➔ Ten of the 12 German cities have adopted all
                                                                                                                                                                                                                                                                                                                                                   seven sustainable transport policies covered in
                                                                                                                                                                                                                                                                                                                                                   the European Green City Index, including using
                                                                                                                                                                                                                                                                                                                                                   bio-fuels or electricity in public transport, envi-
                                                                                                                                                                                                                                                                                                                                                   ronmental zones, reducing the use of automo-
                                                                                                                                                                                                                                                                                                                                                   biles and promoting public awareness of green
                                                                                                                                                                                                                                                                                                                                                   transport.
                                                                                                                                                                                                                                                                                                                                                   ➔ Eleven of the 12 German cities are in the
                                                                                                                                                                                                                                                                                                                                                   above average band for transport policies. Yet
                                                                                                                                                                                                                                                                                                                                                   when it comes to quantitative indicators, includ-
                                                                                                                                                                                                                                                                                                                                                   ing the density of the public transport system or
                                                                                                                                                                                                                                                                                                                                                   the modal split, three are below average and
                                                                                                                                                                                                                                                                                                                                                   only one is above average.
                                                                                                                                                                                                                                                                                                                                                   ➔ This is not because of a lack of public trans-
                                                                                                                                                                                                                                                                                                                                                   port. German cities offer on average 2.6 km of
                                                                                                                                                                                                                                                                                                                                                   public transport per square kilometer, compared
                                                                                                                                                                                                                                                                                                                                                   with 2.4 km for the other European cities. They
                                                                                                                                                                                                                                                                                                                                                   also have more cycling lanes per square kilome-
                                                                                                                                                                                                                                                                                                                                                   ter than in Europe, at 1.9 km per square kilome-
                                                                                                                                                                                                                                                                                                                                                   ter, compared with an average of 1.2 km in the
                                                                                                                                                                                                                                                                                                                                                   other European cities.
                                                                                                                                                                                                                                                                                                                                                   ➔ Despite these options, almost half of the Ger-

      Key findings from the categories                                                                                                                                                                                                                                                                                                             man residents drive to work, against about 38%
                                                                                                                                                                                                                                                                                                                                                   in the other European cities. Even in European
                                                                                                                                                                                                                                                                                                                                                   cities with a comparable income, the figure is
                                                                                                                                                                                                                                                                                                                                                   still higher than in the German cities, at 43%.
     German Green City Index                                                                                                                                                                                                                                                                                                                       ➔ Given Germany’s famously entrenched car
                                                                                                                                                                                                                                                                                                                                                   culture, it is likely to be difficult to reduce the
                                                                                                                                                                                                                                                                                                                                                   share of people taking their car to work.

CO2 emissions: Compared with European                                                    European cities. But they do worse when com-                                              such as feed-in tariffs for renewable energy          green energy projects within their borders, only      this category. Advanced policies, including fed-    Water: All German cities perform extremely
cities, German cities see their poorest perfor-                                          pared with the 14 European cities with a similar                                          sources, rather than local initiatives.               half fully promote the use of green energy, and       erally mandated building codes and other regu-      well in this category, given their low levels of
mance in this category, largely from the relative-                                       income, at 110 grams.                                                                                                                           none scores full marks for expanding decentral-       lations at city level, are reducing energy con-     water consumption per capita and leakages in
ly high share of coal used in energy production.                                         ➔ All of the German cities measure emissions                                              In detail:                                            ized power generation.                                sumption by buildings.                              the water supply system.
Proactive policies, however, could lead to future                                        and have set their own reduction targets sepa-                                            ➔ German cities consume 95 gigajoules per             ➔ The biggest energy challenge for the 12 Ger-
improvements.                                                                            rate from federal targets. The city targets are                                           capita each year. Although this is higher than        man cities is the very low proportion of renew-       In detail:                                          In detail:
                                                                                         ambitious, aiming on average for a 31% reduc-                                             the average of the other European cities, at          able energy, at 3% of overall energy consump-         ➔ Every city has introduced energy efficiency       ➔ Residents of the German cities consume on
In detail:                                                                               tion by 2020, twice the average of the goals of                                           81 gigajoules, it is comparable to the average        tion. This is less than half of the overall average   standards for new buildings and requires regular    average 59 cubic meters per inhabitant every
➔ German cities emit an average of 9.8 metric                                            the other European cities, at 15%.                                                        level for the 14 European cities of similar wealth,   of the other European cities, at about 8%. The        maintenance of heating and air conditioning         year, which is substantially lower than the aver-
tons of CO2 per person annually, nearly twice as                                                                                                                                   at 92 gigajoules.                                     14 European cities in the same income range           systems. An “energy passport” must be shown         age of the other European cities, at 107 cubic
much as other European cities,4) at 5.2 metric                                           Energy: The German cities do slightly better                                              ➔ Regarding energy intensity, the German              cover 12% of their overall energy demand with         when a building is rented or sold, and the cities   meters.
tons.                                                                                    than other European cities on energy efficiency,                                          cities do better than the other European cities, at   renewable energy sources.                             also inform their residents about opportunities     ➔ One reason for the low consumption rate is
➔ German cities do better on CO2 intensity (the                                          although the policies of the city governments                                             2.5 megajoules per Euro of GDP, compared with                                                               to improve energy efficiency.                       an impressively low level of leakage in pipelines,
amount of CO2 emissions per Euro of GDP), at                                             are weaker in this area. This suggests that cities                                        5.4 megajoules.                                       Buildings: The German cities in this study do         ➔ Eight out of 12 cities also provide financial     at only 8%. Even the highest individual water
250 grams, compared with 358 grams in other                                              may be relying on federal policy instruments,                                             ➔ Although all German cities have developed           very well compared with the rest of Europe in         incentives for retrofitting to save energy.         leakage rate among the 12 German cities, at
4) A note about methodology: When evaluating category results, the averages of the quantitative figures for the 12 German cities were compared with the averages of the 29 other European cities from
the 2009 European Green City Index (excluding Berlin). This was to better distinguish differences and similarities between German cities as a whole and cities in the rest of Europe as a whole.

14                                                                                                                                                                                                                                                                                                                                                                                                 15
German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...
industrialization and overall air pollution. Nor is
                                                                                                            there a correlation between the percentage of
                                                                                                            commuters who drive to work and levels of
                                                                                                            nitrogen dioxide, which is closely associated
                                                                                                            with automobile exhaust.
                                                                                                            ➔ Although German cities have average ozone
                                                                                                            concentrations that are approximately equal to
                                                                                                            those of the European cities, they have measur-
                                                                                                            ably lower concentrations of nitrogen dioxide,
                                                                                                            sulfur dioxide and particulate matter.

                                                                                                            Environmental governance: German
                                                                                                            cities are generally strong on standards and
                                                                                                            environmental policies across categories, but
                                                                                                            their performance in the environmental gover-
                                                                                                            nance category is relatively modest. This surpris-
                                                                                                            ing result again suggests that federal involve-
                                                                                                            ment, while driving advanced environmental
                                                                                                            policies overall, may be superseding autonomy
                                                                                                            at the municipal level.

                                                                                                            In detail:
                                                                                                                                                                     Methodology
                                                                                                            ➔ The structures of environmental governance
                                                                                                            are uniform in the 12 German cities. These               German Green City Index
                                                                                                            include an integrated strategy endorsed by the
                                                                                                            city administration and the mayor, a dedicated
                                                                                                            environmental authority, support for interna-
                                                      ➔ Waste separation and recycling are deeply
13%, is still substantially lower than the average
of the other European cities, at 23%.
➔ Policy choices have also had an effect: Meter-
                                                      entrenched in German culture, as shown by the
                                                      recycling rates of the German cities: On average
                                                                                                            tional environmental protection initiatives, and
                                                                                                            public awareness campaigns.
                                                                                                            ➔ However, the German cities will need to
                                                                                                                                                                  T    he German Green City Index evaluates
                                                                                                                                                                       12 major German cities with regard to their
                                                                                                                                                                  sustainability in using resources and their com-
                                                                                                                                                                                                                         sure how a city is currently performing – for
                                                                                                                                                                                                                         example, its level of CO2 emissions, the amount
                                                                                                                                                                                                                         of energy it consumes, how much waste it pro-
                                                                                                                                                                                                                                                                                cities were compared with the cities of the Euro-
                                                                                                                                                                                                                                                                                pean Green City Index. This required normaliz-
                                                                                                                                                                                                                                                                                ing the German results on the basis of the Euro-
ing is widespread and residents pay a relatively      48% of the waste generated in the cities is recy-     improve in some areas compared with the best          mitment to environmental protection. The study         duces or levels of air pollution. The remaining        pean Green City Index (see description of the
high price for water. In addition, all 12 German      cled, compared to 27% for the European cities         European cities.                                      covers the four German cities with populations         14 indicators are qualitative assessments of           normalization method under “Indicators”) and
cities monitor water usage and quality, promote       with the same wealth and 17% for all of the           ➔ Only two of the 12 German cities have               over one million as well as a city from all metro-     cities’ environmental policies, aspirations or         generating a new theoretical Index of 41 cities.
conservation, and treat 100% of their waste-          other European cities.                                defined specific targets for each environmental       politan regions. To provide insights on how the        ambitions to reduce their environmental foot-          Berlin, which is included in both the European
water.                                                ➔ Every German city gained full marks for poli-       category, while the others are limited to selected    German cities are doing compared with other            print. This could include their commitment to          and the German Green City Index, is shown only
➔ None of the German cities reuses water, for         cies on sustainable waste management and pro-         categories.                                           cities in Europe, their results are presented in the   consuming more renewable energy, improving             on the basis of the results of the German Green
example for street cleaning, before treatment.        moting waste separation and reduction.                ➔ Only two German cities issue annual or bi-          context of the European Green City Index. This         the energy efficiency of buildings, reducing con-      City Index. The final results for the German cities
Nine out of 29 cities outside of Germany have         ➔ On land use, though, while every German             annual environmental reports on the progress of       study investigated the environmental sustain-          gestion, or recycling and reusing waste.               are shown in performance bands instead of in
some type of reuse, including six of the 14 that      city protects its green spaces, two have incom-       their work. The vast majority of German cities        ability of 30 major European cities from 30 Euro-                                                             a detailed ranking (see “Index construction” on
are in the same income bracket as the German          plete green space policies and only seven fully       issue a report of this kind only every three to ten   pean countries and was published in December           Data sources: A team of independent ana-               page 18).
cities. It is reasonable to question, though, how     promote reuse of brownfield sites for develop-        years.                                                2009.                                                  lysts at the Economic Intelligence Unit collected
necessary this is in Germany given its low usage      ment. For the 14 European Index cities of the         ➔ A lack of citizen involvement is another obvi-      The methodology used in the German Green               and evaluated data for the German Green City           Indicators: To be able to compare data
and leakage rates.                                    same wealth, all have comprehensive green             ous weakness. Only five of 12 cities fully involve    City Index was developed by the Economist              Index over the period from May to November             points across cities, as well as to construct
                                                      space policies and all but one gain full marks for    citizens in environmental decision-making or          Intelligence Unit in cooperation with Siemens. It      2010. Publicly available data from official            aggregate scores for each city, the project team
Waste and land use: The German cities                 brownfield redevelopment.                             have a central contact point for complaints. The      is identical to the methodology used in the Euro-      sources, such as European, national, or regional       first had to make the data gathered from differ-
generate more waste than the other European                                                                 European Green City Index shows a correlation         pean Green City Index to ensure the comparabil-        statistics offices, local city authorities, and city   ent sources comparable. To do so, the quantita-
cities on average, but comprehensive waste            Air quality: The cities in the German Green           between higher levels of citizen engagement           ity of cities. An independent panel of urban sus-      and national environmental agencies, was used          tive indicators were “normalized” on a scale of
reduction policies and high recycling rates           City Index have comprehensive air quality plans,      and better environmental performance. This            tainability experts provided important insights        whenever possible. Care was taken to use data          0 to 10, where 10 points were assigned to the
improve their overall performance in this cate-       and this has helped keep down the levels of sev-      suggests that citizens who act responsibly and        and feedback. Because data was collected at dif-       for 2008 whenever possible or, failing that, data      best scoring city and 0 points were assigned to
gory. On land use, however, they tend to fall         eral key air pollutants.                              are environmentally aware make a decisive con-        ferent times for Europe and Germany, it is not         for previous years or for 2009 in order to ensure      the worst scoring city.
behind other European cities at the same level of                                                           tribution to improving the environmental bal-         completely comparable. For that reason, the            that the pool of data was as similar as possible to    In some cases, an upper benchmark or a lower
wealth.                                               In detail:                                            ance of cities.                                       results are presented in performance bands and         the European Green City Index. In the few cases        benchmark was inserted to prevent outliers
                                                      ➔ All 12 German cities have air quality targets                                                             not as detailed rankings. This helped to smooth        where gaps in the data existed, the Economist          from skewing the distribution of points. The
In detail:                                            and plans. Only 13 of the 29 other European                                                                 out minor differences.                                 Intelligence Unit produced estimates based on          Economist Intelligence Unit used the same nor-
➔ The German cities generate on average               cities have both.                                                                                           The German Green City Index scores cities across       regional figures.                                      malization for the German Green City Index as
528 kg of waste per inhabitant each year, which       ➔ These policies seem to be successful at limit-                                                            eight categories – CO2, energy, buildings, trans-                                                             for the European Index. Qualitative indicators
is slightly above the average of the European         ing the effects of air pollution across Germany,                                                            port, water, waste and land use, air quality, and      Comparison with the European                           were scored by Economist Intelligence Unit ana-
cities, at 512 kg, but nearly the same as the aver-   even in cities with more industry and automo-                                                               environmental governance – based on 30 indi-           Green City Index: To better classify the               lysts, who defined objective criteria to evaluate
age for the European cities in the same income        biles. This is demonstrated by the lack of a corre-                                                         vidual indicators. Sixteen of the 30 indicators are    results of the German Green City Index and             the environmental targets, strategies, and en-
range, at 525 kg.                                     lation in the Index between each city’s level of                                                            derived from quantitative data and aim to mea-         place them in a broader context, the German            vironmental policies of a city. The qualitative

16                                                                                                                                                                                                                                                                                                                              17
German Green City Index - Assessing the environmental performance of 12 major German cities A research project conducted by the Economist ...
List of categories, indicators and their weightings
                                                                                                                                                           Category      Indicator                  Type            Weighting   Description                                                   Normalisation technique

                                                                                                                                                           CO2           CO2 emissions               Quantitative     33%       Total CO2 emissions, in tonnes per head.                      Min-max.
                                                                                                                                                                         CO2 intensity               Quantitative     33%       Total CO2 emissions, in grams per unit of real GDP            Min-max; lower benchmark of 1,000 grams
                                                                                                                                                                                                                                (2000 base year).                                             inserted to prevent outliers.
                                                                                                                                                                         CO2 reduction               Qualitative      33%       An assessment of the ambitiousness                            Scored by Economist Intelligence Unit analysts
                                                                                                                                                                         strategy                                               of CO2 emissions reduction strategy.                          on a scale of 0 to 10.

                                                                                                                                                           Energy        Energy consumption          Quantitative     25%       Total final energy consumption, in gigajoules per head.       Min-max.
                                                                                                                                                                         Energy intensity            Quantitative     25%       Total final energy consumption, in megajoules per unit        Min-max; lower benchmark of 8MJ/€GDP
                                                                                                                                                                                                                                of real GDP (in euros, base year 2000).                       inserted to prevent outliers.
                                                                                                                                                                         Renewable energy            Quantitative     25%       The percentage of total energy derived from renewable         Scored against an upper benchmark of 20% (EU target).
                                                                                                                                                                         consumption                                            sources, as a share of the city's total energy consumption,
                                                                                                                                                                                                                                in terajoules.
                                                                                                                                                                         Clean and efficient         Qualitative      25%       An assessment of the extensiveness of policies promoting      Scored by Economist Intelligence Unit analysts
                                                                                                                                                                         energy policies                                        the use of clean and efficient energy.                        on a scale of 0 to 10.
                                                                                                                                                           Buildings     Energy consumption          Quantitative     33%       Total final energy consumption in the residential sector,     Min-max.
                                                                                                                                                                         of residential buildings                               per square meter of residential floor space.
                                                                                                                                                                         Energy-efficient            Qualitative      33%       An assessment of the extensiveness of cities’ energy          Scored by Economist Intelligence Unit analysts
                                                                                                                                                                         buildings standards                                    efficiency standards for buildings.                           on a scale of 0 to 10.
                                                                                                                                                                         Energy-efficient            Qualitative      33%       An assessment of the extensiveness of efforts to promote      Scored by Economist Intelligence Unit analysts
                                                                                                                                                                         buildings initiatives                                  efficiency of buildings.                                      on a scale of 0 to 10.
                                                                                                                                                           Transport     Use of non-car              Quantitative     29%       The total percentage of the working population travelling     Converted to a scale of 0 to 10.
                                                                                                                                                                         transport                                              to work on public transport, by bicycle and by foot.
                                                                                                                                                                         Size of non-car             Quantitative     14%       Length of cycling lanes and the public transport network,     Min-max. Upper benchmarks of 4 km/km2 and
                                                                                                                                                                         transport network                                      in km per square meter of city area.                          5 km/km2 inserted to prevent outliers.
                                                                                                                                                                         Green transport             Qualitative      29%       An assessment of the extensiveness of efforts to increase     Scored by Economist Intelligence Unit analysts
                                                                                                                                                                         promotion                                              the use of cleaner transport.                                 on a scale of 0 to 10.
                                                                                                                                                                         Congestion                  Qualitative      29%       An assessment of efforts to reduce vehicle traffic            Scored by Economist Intelligence Unit analysts
indicators were again scored on a scale of 0 to       Definition of performance bands:                                                                                   reduction policies                                     within the city.                                              on a scale of 0 to 10.

10, with 10 points assigned to cities that met or     ➔ “Well above average”: Scores are more than                                                         Water         Water consumption           Quantitative     25%       Total annual water consumption, in cubic meters per head.     Min-max.
exceeded the check-list of criteria. In the case of   1.5 times the standard deviation above the
                                                                                                      Cluster                                                            Water system leakages       Quantitative     25%       Percentage of water lost in the water distribution system.    Scored against an upper target of 5%.
the “CO2 reduction strategy” indicator, for exam-     mean.                                           To analyze the effect of income, population,
                                                                                                                                                                         Wastewater                  Quantitative     25%       Percentage of dwellings connected to the sewage system.       Scored against an upper benchmark of 100%
ple, cities were assessed according to whether        ➔ “Above average”: Scores are between 0.5 and   industrialization, and temperature on a city’s                     treatment                                                                                                            and a lower benchmark of 80%.
they actively and regularly monitor CO2 emis-         1.5 times the standard deviation above the      score, the 41 cities were also divided into a                      Water efficiency            Qualitative      25%       An assessment of the comprehensiveness of measures            Scored by Economist Intelligence Unit analysts
sions, what CO2 reduction targets have been set       mean.                                           series of clusters, which were defined as follows:                 and treatment                                          to improve the efficiency of water usage and the              on a scale of 0 to 10.
and how ambitious they are, given the time peri-      ➔ “Average”: Scores are between 0.5 times the   Income: “Low income,” with per capita GDP                          policies                                               treatment of wastewater.
od within which they are supposed to be met.          standard deviation above and 0.5 times the      of less than €21,000; “middle income” of             Waste         Municipal waste             Quantitative     25%       Total annual municipal waste collected, in kg per head.       Scored against an upper benchmark of 300 kg (EU target).
                                                      standard deviation below the mean.              €21,000 to €31,000 and “high income”                 and           production                                                                                                           A lower benchmark of 1,000 kg inserted to prevent outliers.
                                                                                                                                                           land use
Index construction: To compose the                    ➔ “Below average”: Scores are between 0.5 and   of more than €31,000                                               Waste recycling             Quantitative     25%       Percentage of municipal waste recycled.                       Scored against an upper benchmark of 50% (EU target).
Index, a score was first calculated for each city     1.5 times the standard deviation below the      Size: “Small,” with a population of less                           Waste reduction             Qualitative      25%       An assessment of the extensiveness of measures                Scored by Economist Intelligence Unit analysts
on a scale of 0 to 10 in the eight categories. This   mean.                                           than 1 million; “mid-sized,” with a population                     and policies                                           to reduce the overall production of waste,                    on a scale of 0 to 10.
evaluation included all quantitative and qualita-     ➔ “Well below average”: Scores are more than    of between 1 million and 3 million and “large”                                                                            and to recycle and reuse waste.

tive data for each infrastructure category. In        1.5 times the standard deviation below the      with a population of more than 3 million                           Green land use              Qualitative      25%       An assessment of the comprehensiveness of                     Scored by Economist Intelligence Unit analysts
                                                                                                                                                                         policies                                               policies to contain the urban sprawl and promote              on a scale of 0 to 10.
general, all indicators received the same weight-     mean.                                           Industrialization: “Industrial,” with a 25% or
                                                                                                                                                                                                                                the availability of green spaces.
ing. To create the overall scores, the scores of                                                      greater share of industry; “service-oriented,”
                                                                                                                                                           Air quality   Nitrogen dioxide            Quantitative     20%       Annual daily mean of NO2 emissions.                           Scored against a lower benchmark of 40 ug/m3 (EU target).
the eight categories were then aggregated                                                             with a share of less than 25% industry
according to their assigned weighting. To avoid                                                       Temperature: “Cold,” with an average                               Ozone                       Quantitative     20%       Annual daily mean of O3 emissions.                            Scored against a lower benchmark of 120 ug/m3 (EU target).
that any category is lent greater importance                                                          temperature of 6-8 degree Celsius; “temperate,”                    Particulate matter          Quantitative     20%       Annual daily mean of   PM10   emissions.                      Scored against a lower benchmark of 50 ug/m3 (EU target).
than another, the Economist Intelligence Unit                                                         with an average temperature of 9-12 degrees                        Sulfur dioxide              Quantitative     20%       Annual daily mean of SO2 emissions.                           Scored against a lower benchmark of 40 ug/m3 (EU target).
assigned equal weightings on each category                                                            Celsius and “hot,” with an average temperature
                                                                                                                                                                         Clean air policies          Qualitative      20%       An assessment of the extensiveness of policies                Scored by Economist Intelligence Unit analysts
score. This also reflects feedback from the inde-                                                     of more than 13 degrees Celsius                                                                                           to improve air quality.                                       on a scale of 0 to 10.
pendent experts who were involved in develop-
                                                                                                                                                           Environ-      Green action plan           Qualitative      33%       An assessment of the ambitiousness and                        Scored by Economist Intelligence Unit analysts
ing the methodology. During the final step, the                                                                                                            mental                                                               comprehensiveness of strategies to improve and                on a scale of 0 to 10.
cities were grouped into performance bands                                                                                                                 gover-                                                               monitor environmental performance.
according to their scores. Those bands were                                                                                                                nance
                                                                                                                                                                         Green management            Qualitative      33%       An assessment of the management of environmental              Scored by Economist Intelligence Unit analysts
based on average (mean) scores and defined                                                                                                                                                                                      issues and commitment to achieving international              on a scale of 0 to 10.
                                                                                                                                                                                                                                environmental standards.
using the standard deviation, a statistical term
for the area around the mean which covers 66%                                                                                                                            Public participation        Qualitative      33%       An assessment of the extent to which citizens may             Scored by Economist Intelligence Unit analysts
                                                                                                                                                                         in green policy                                        participate in environmental decision-making.                 on a scale of 0 to 10.
of all values.

18                                                                                                                                                                                                                                                                                                                                                          19
attributable to the city’s ambitious CO2 reduc-       however, 43% of the city’s heating energy is still
                                                                                                                                                                     tion goals: by 2020 it plans to cut emissions a       generated from coal. The relatively low propor-
                                                                                                                                                                     total of 40% from the 1990 figure. Berlin has         tion of renewable energy sources in the energy
                                                                                                                                                                                                                                                                                                                          Energy-saving
                                                                                                                                                                     already achieved its interim goal of reducing         mix is another disadvantage. So far only 1.6% of                                               partnerships
                                                                                                                                                                     greenhouse gas emissions and energy con-              the city’s energy consumption comes from                                                       The Berlin Energy-Saving Partnership was
                                                                                                                                                                     sumption 25% by 2010. This has been the result        renewable sources, while the European average                                                  founded in 1996 as a joint initiative by the city
                                                                                                                                                                     of a variety of programs, such as energy effi-        is 6.3%. The expansion of solar energy, howev-                                                 and the Berlin Energy Agency. The Energy-
                                                                                                                                                                     ciency retrofits of the building stock (especially    er, has now been assigned a higher priority in                                                 Saving Partnership guarantees enhanced
                                                                                                                                                                     in the former East Berlin), a changeover from         the city, so that the share of renewable sources                                               energy efficiency in public buildings and
                                                                                                                                                                     coal-fired to gas-fired power plants, and a sharp     should rise in the future.                                                                     energy savings averaging 25% per year, while
                                                                                                                                                                     reduction in coal furnaces, from 400,000 in                                                                                                          the partners provide both expertise and
                                                                                                                                                                     1990 to fewer than 60,000 in 2008. In addition,       Green initiatives: In December 2009, the                                                       financing. Over 6% of these savings go directly
                                                                                                                                                                     after the Wall came down, many unprofitable           city’s energy utility and a solar specialist inaugu-                                           to the city budget, while the rest is used to
                                                                                                                                                                     industrial operations were shut down, some of         rated a pilot solar power plant at the site of the                                             modernize and optimize buildings. In return,
                                                                                                                                                                     which had especially high CO2 emissions. The          former Mariendorf gas works, with an initial                                                   the partners receive all savings in excess of the
                                                                                                                                                                                                                           capacity of 100 kilowatts. The partners are cur-                                               guaranteed amount. The newly installed
                                                                                                                                                                                                                           rently studying whether the plant can be                                                       systems remain the city’s property. When the
                                                                                                                                                                                                                           expanded into Berlin’s largest solar power sta-                                                individual contracts expire after about twelve
                                                                                                                                                                                                                           tion, with a capacity of as much as 2 mega-                                                    years, the city alone reaps the energy savings.
                                                                                                                                                                                                                           watts.                                                                                         The retrofitting of schools, child care centers,
                                                                                                                                                                                                                                                                                                                          universities, administrative buildings and
                                                                                                                                                                                                                           Buildings: In the buildings category, Berlin                                                   swimming pools has already saved the city
                                                                                                                                                                                                                           scores above average. The city stands out espe-                                                €11 million in energy costs. The initiative has
                                                                                                                                                                                                                           cially for one of the lowest energy consump-                                                   made Berlin a prime example of energy-saving
                                                                                                                                                                                                                           tions in residential buildings: 520 megajoules                                                 programs in public buildings.
                                                                                                                                                                                                                           per square meter. That is the second-lowest fig-

     Berlin
                                                                                                                                                                                                                           ure in both Germany and all of Europe (only
                                                                                                                                                                                                                           Stuttgart does better). By comparison, the Euro-
                                                                                                                                                                                                                           pean average was 857 megajoules. Berlin has
                                                                                                                                                                                                                           invested massively in modernizing buildings
                                                                                                                                                                                                                           since 1990, especially in the former East Berlin,
     German Green City Index                                                                                                                                                                                               where there was a serious need to catch up in
                                                                                                                                                                                                                           terms of building standards and energy effi-
                                                                                                                                                                                                                           ciency. Over the past 20 years, energy con-                                              tion by Berlin industrialized apartment blocks

                                                           B   erlin is not just the capital – with a popula-
                                                               tion of about 3.4 million, it’s also the most
                                                           heavily populated city in Germany. The city was
                                                                                                                 CO2, buildings, transport, water, waste and land
                                                                                                                 use, and air quality. What is remarkable is the
                                                                                                                 genuinely low CO2 emissions of 5.6 metric tons
                                                                                                                                                                     city also achieves good results for CO2 emis-
                                                                                                                                                                     sions per unit of GDP, with 247 grams compared
                                                                                                                                                                     to the European average of 326 grams.
                                                                                                                                                                                                                           sumption has decreased very substantially. Bet-
                                                                                                                                                                                                                           ter insulation, the conversion from coal fur-
                                                                                                                                                                                                                           naces to central heating and gas furnaces, and
                                                                                                                                                                                                                                                                                                                    from 150 kWh to 80 kWh per square meter per
                                                                                                                                                                                                                                                                                                                    year.

                                                           divided by the famous Wall until 1989. Quite          per capita. These put Berlin in the lead for Ger-                                                         easier access to information about energy effi-                                          Green initiatives: To lend new momentum
                                                           apart from the political split, this meant that the   many, and make it one of only two German            Green initiatives: To achieve its CO2 reduction       ciency made it possible. For example, energy                                             to energy efficiency and energy saving in the
                                                           city developed differently in East and West           cities (along with Nuremberg) that scored           goal, the city is trying to sign up businesses to     efficiency retrofits reduced energy consump-                                             building stock, “Climate Protection Partners,” an
                                                           Berlin. Reunification in 1990 had a vast effect       above average compared to the rest of Europe.       join the Berlin Climate Alliance. The Alliance is a
                                                           on Berlin’s ecological footprint, because the         Also noteworthy is the low energy consumption       group of Berlin businesses and associations
                                                           shutdown of most of East Berlin’s industrial          of residential buildings compared to the 40         who are making a contribution to protect the
                                                           operations and the modernization of a large           other European cities. In the energy and envi-      climate. The partners support the City of Berlin         Performance                                               Berlin                            Other German cities        Other European cities
                                                           proportion of buildings since then has cut CO2        ronmental governance categories, however,           in implementing the goals of the state’s energy
                                                                                                                                                                                                                                                                             well below                   below                  average           above         well above
                                                           and other pollutant emissions substantially.          Berlin is average. The energy score is affected     program. Numerous major Berlin industrial,                                                               average                    average                                  average         average
                                                           Today, Berlin’s economy is profoundly shaped          by the relatively low share of renewable energy     utility and construction companies have al-
                                                           by the service sector, particularly media compa-      sources as part of the overall energy consump-      ready joined the Alliance.                                                                  CO2
                                                           nies, creative professions, and biosciences. The      tion. But as the city increasingly turns to solar
                                                           metals and electronics industry also plays an         and biomass energy, the score may well im-          Energy: Berlin scores average in the energy                                             Energy

                                                           important role. Berlin is a popular travel desti-     prove in this area.                                 category. It made points with relatively low                                         Buildings
                                                           nation, and has made a name for itself as a con-                                                          energy consumption: 68 gigajoules per capita,
                                                                                                                                                                                                                                                         Transport
                                                           ference city. Compared to other German cities,        CO2 emissions: Berlin scores above aver-            or 3.0 megajoules per euro of GDP. Both figures
Background indicators                                      however, Berlin must contend with relatively          age in this category, and along with Nuremberg      are below the average of 85 gigajoules and                                               Water
                                                           high unemployment, and must manage on a               is one of only two German cities to score at this   4.5 megajoules for the 41 European cities.                            Waste and land use
Population                                   3.4 million   relatively low gross domestic product (GDP) of        level in comparison to the other European           Berlin benefits from Western Europe’s largest
GDP per person (PPP) in €                       21,400                                                                                                                                                                                                  Air quality
                                                           €21,400 per capita.                                   cities. With CO2 emissions of 5.6 metric tons per   district heating network – 1,300 km, with a
Administrative area in km2                         892     Overall, the results for the German capital rank      capita per year, Berlin leads the German pack,      capacity of some 7,700 megawatts and serving               Environmental governance
Share of industry / gross value added in %           18    above average. Specifically, its performance is       and is below the European average of 6.5 met-       more than 600,000 of the city’s nearly two mil-
Average temperature in °C                             9                                                                                                                                                                                         Overall results
                                                           above average in six of the eight categories –        ric tons. The good score in this category is also   lion households. According to 2006 figures,
                                                                                                                                                                                                                              The order of the dots within the performance bands has no bearing on the cities’ results.

20                                                                                                                                                                                                                                                                                                                                                                            21
average. The average nitrogen dioxide concen-                        zens and business, thus approving an action
                                                                                                                                                                                                                                                            tration, for example, is 27 micrograms per cubic                     program for sustainable urban development
                                                                                                                                                                                                                                                            meter in Berlin, compared to 34 micrograms in                        with the active involvement of the population.
                                                                                                                                                                                                                                                            the other European cities. The daily average                         As a continuation of this program, twelve sus-
                                                                                                                                                                                                                                                            of annual particulate matter concentration, at                       tainability indicators were proposed in 2010, on
                                                                                                                                                                                                                                                            24 micrograms, is also below the European                            which a biennial data report reviewing the city’s
                                                                                                                                                                                                                                                            average, 31 micrograms. But although annual                          sustainable development is to be based on. But
                                                                                                                                                                                                                                                            average particulate matter figures for 2009                          a negative factor is that the city has set and
                                                                                                                                                                                                                                                            were within the allowable range, the tolerance                       communicated clear goals for only a few envi-
                                                                                                                                                                                                                                                            limit, at 73 days, was not maintained. Only 35                       ronmental aspects.
                                                                                                                                                                                                                                                            days are allowed. As in many other cities, traffic
                                                                                                                                                                                                                                                            is the main source of emissions in Berlin. It                        Green initiatives: Berlin is the only German
                                                                                                                                                                                                                                                            accounts for 40% of particulate matter emis-                         city that is a member of the C40 Group. C40 is
alliance of ten Berlin business chambers and        transportation like buses, rail and bicycles, and     drinking water supplied and consumed has             Green initiatives: According to the 2009                                                     sions and 80% of nitrogen dioxide emissions.                         an association of 40 metropolises that have
institutions, has awarded the “Climate Protec-      reducing traffic jams. The local public transport     decreased significantly.                             Berlin Area Use Plan of the Urban Development                                                                                                                     agreed to support climate protection. Through
tion Partner of the Year” prize for outstanding     network, at 1.0 km per square kilometer, may                                                               Office of the Senate Administration, strength-                                               Green initiatives: Berlin has taken a number                         a partnership with the Clinton Climate Initia-
climate protection projects every year since        not be as well developed yet as in other Euro-        Green initiatives: In 2008 the Berliner Was-         ening the inner city as a residential and living                                             of steps to reduce emissions from transporta-                        tive, the C40 Group works to reduce emissions
2002. From among the 47 candidates in 2010,         pean cities (average 2.4 km), but gaps in the         serbetriebe water company built a solar plant at     center, with homes, jobs, culture and recreation                                             tion, including establishing an environmental                        through greater energy efficiency. Additionally,
the winners included a complete retrofit of the     road and rail network between the eastern and         the Tegel Water Works. With a collector area of      on an equal par, is a strategic goal. The Tempel-                                            zone in 2008, intended to reduce vehicle emis-                       since 2008 Berlin has been a member of the
100-year-old tropical plant house at the Botani-    western parts of the city have now been filled        about 5,400 square meters, this is Berlin’s          hof Field, measuring nearly 400 hectares, will                                               sions in the inner city. It has also outfitted city                  Covenant of Mayors, a European Union initia-
cal Garden. Energy consumption was reduced          in. Today about 38% of Berliners take public          largest contiguous solar plant. The electricity is   become a new district with attractive apart-                                                 buses with particulate filters, and the Berlin                       tive. This group has committed to outperform
more than 50% with technical measures like          transportation to work; compared to the               enough to pump drinking water for more than          ments and many jobs, together with a park                                                    Senate has encouraged the use of natural-gas-                        EU goals, and reduce greenhouse gases by
renovating the façades and adding insulation –      nationwide average of 27%, this is the second-        26,000 Berliners out of the ground, purify it,       landscape that will round out the downtown                                                   powered utility vehicles. Apart from reducing                        more than the targeted 20% from 1990 values
a real challenge for materials and technology       best score, after Munich. The bike path network       and carry it to homes through the pipelines.         range of open space and assist the city’s climate                                            emissions with improved vehicle technologies,                        by 2020. Berlin plans to reduce its CO2 emis-
given the necessary high humidity of 80%.           measures 1.6 km per square kilometer of city          Although the electricity from Tegel is fed into      for the long term.                                                                           however, the city is also concentrating on traffic                   sions 40% by 2020.
                                                    territory, and is thus already a little longer than   the general power grid, it serves primarily to                                                                                                    planning measures, such as optimizing traffic
Transport: Berlin scored above average in           the European average (1.4 km). According to           cover the plant’s own water delivery needs. Cur-     Air quality: In air quality, Berlin scores above                                             lights to ensure a more efficient traffic flow.
the transport category. As early as 2003, the       the city’s latest estimates, 22% of the popula-       rently, the water company is tapping additional      the European average. The city’s air quality is
capital’s “mobil 2010” urban development plan       tion walk or bike to work, roughly equal to the       alternative energy sources. For example, it          carefully monitored and has greatly improved,                                                Environmental governance: Berlin
– which is currently being updated – had stated     average for all European cities studied.              plans to make the Schönerlinde sewage treat-         especially because of the structural change                                                  scores average for environmental governance.
the goal of making the transportation system                                                              ment plant the first energy self-sufficient water    away from industry and toward a service econo-                                               A positive factor is that the Berlin House of Dele-
more environmentally friendly. This includes,       Green initiatives: To prevent traffic jams and        treatment plant, starting in 2012, by building       my. Apart from ozone concentration, all figures                                              gates adopted the Local Agenda 21 Berlin in
for example, encouraging alternative means of       keep street traffic moving even during rush           three windmills with a total combined capacity       included in this Index are below the European                                                2006, with the participation of politicians, citi-
                                                    hours, the up-to-date traffic control center          of 6 megawatts.
                                                    monitors traffic over more than 1,500 km of
                                                    streets, and coordinates traffic lights at roughly    Waste and land use: Berlin scores above
                                                    2,000 intersections. It also monitors warning         average in waste and land use. It earned points
                                                                                                                                                               Quantitative indicators
                                                    and notice signs – called traffic management          with its recycling level, which at about 40% is                                                                                                                             Eur. avg.     Ger. avg.   Berlin   Year*     Source
                                                    systems – and they are switched manually from         well above the European average of 26%. It            CO2                           CO2 emissions per capita (metric tons/head)                                                    6.52       9.79      5.55    2007     Berlin-Brandenburg Statistics Office
  Biogas for the city’s                             here as needed. In the local public transporta-       is also remarkable that this level increased                                        CO2 emissions per unit of real GDP (g/€)                                                    326.46      249.77    246.97    2007     Berlin-Brandenburg Statistics Office
  truck fleet                                       tion system, the Berliner Verkehrsbetriebe            5% from 2004 to 2008 because of a variety of                                        CO2 reduction target by 2020                                                                  18.64      30.83     40.00    2008     Environment Office of the Senate Administration
  The Berliner Stadtreininigung waste disposal      transportation agency supports the use of             measures. For example, the city provides a            Energy                        Energy consumption per capita (GJ/head)                                                       85.22      95.46     68.05    2007     Berlin-Brandenburg Statistics Office
  office is currently building a fermentation       hydrogen as a fuel and has started applying this      480 liter composting bin, emptied weekly, for all                                   Energy consumption per unit of real GDP (MJ/€ GDP)                                             4.48       2.47      3.03    2007     Berlin-Brandenburg Statistics Office
  plant at the Ruhleben site with a capacity of     technology to its bus fleet to reduce green-          large apartment buildings. There is a charge for                                    Share of renewable energies in total energy consumption (%)                                    6.30       3.43      1.64    2007     Berlin-Brandenburg Statistics Office
  60,000 metric tons, to be operated with           house gas emissions. Fourteen buses with              emptying the bins, and their use is mandatory.        Buildings                     Energy consumption of residential buildings (MJ/m2)                                         856.97      702.18    520.12    2007     Berlin-Brandenburg Statistics Office
  waste from the composting bins. The biogas        hydrogen combustion engines have been in use          The city also scores well in waste generated: at      Transport                     Share of population that walks or bikes to work (%)                                           21.98      24.02     21.80    2008     City of Berlin
  system will produce about 2,000 metric tons       in Charlottenburg and Spandau since 2006.             452 kg of waste per resident per year, the city is                                  Share of population that takes public transportation to work (%)                              37.40      27.21     38.40    2008     City of Berlin
  of natural gas a year. After appropriate                                                                below the European average of 517 kg, and
                                                                                                                                                                                              Length of bike path network (km/km2)                                                           1.39       1.93      1.58    2009     Berlin Cycling Office; Berlin-Brandenburg Statistics Office
  processing, the product will be used as a         Water: Berlin is above average in the water           earned the third best score in Germany. Waste
                                                                                                                                                                                              Length of public transport network (km/km2)                                                    2.44       2.61      1.01    2009     City of Berlin; Berlin-Brandenburg Statistics Office
  diesel replacement in the office’s 50 garbage     category. Water losses due to leakage in the          generation has decreased significantly in recent
                                                                                                                                                                Water                         Annual water consumption per capita (m3/head)                                                 93.12      59.21     56.40    2007     Berlin-Brandenburg Statistics Office
  trucks. That will save about 2.5 million liters   pipeline network are just 2% – the lowest value       years, from 2.3 million metric tons in 1992 to
                                                                                                                                                                                              Water system leakages (%)                                                                     18.88       8.36      2.41    2007     Berlin-Brandenburg Statistics Office
  of diesel fuel. The number of vehicles is         in Europe, and far below the European Index           barely 900,000 tons in 2007. In land use,
                                                                                                                                                                                              Dwellings connected to the sewage system (%)                                                  96.25      99.53     99.00    2007     Berlin-Brandenburg Statistics Office
  gradually to be more than doubled.                average of 19%. Annual water consumption in           Berlin’s Agenda 21 specifies, among other
                                                    Berlin is also quite low, at 56 cubic meters; the     requirements, that the amount of green space in       Waste and                     Annual municipal waste generated per capita (kg/head)                                       516.77      527.88    451.67    2008     State of Berlin Waste Balance Sheet; Berlin-Brandenburg
                                                                                                                                                                land use                                                                                                                                                           Statistics Office
                                                    average for the European cities is 93 cubic           heavily populated areas should be increased by
                                                                                                                                                                                              Recycling rate (%)                                                                            25.93      47.48     40.39    2008     State of Berlin Waste Balance Sheet
                                                    meters. The installation of water meters and the      at least 10% by 2015. The program additionally
                                                                                                                                                                Air quality                   Daily mean for annual nitrogen dioxide concentration (µg/m3)                                  33.98      30.51     27.18    2008     EEA Airbase
                                                    encouragement of water-conserving house-              provides that the waiting time for an allotment
                                                                                                                                                                                              Daily mean for annual ozone concentration (µg/m3)                                             40.49      40.97     42.13    2008     EEA Airbase
                                                    hold appliances are something to be taken for         garden plot must be no more than one year, and
                                                                                                                                                                                              Daily mean for annual particulate matter concentration (µg/m3)                                31.30      21.92     23.97    2008     EEA Airbase
                                                    granted in Berlin. These measures have had a          that the city’s own larger areas of land must be
                                                    demonstrably positive effect. Since 1991,             connected together with green corridors.                                            Daily mean for annual sulfur dioxide concentration (µg/m3)                                     6.44       5.05      4.86    2006     EEA Airbase
                                                                                                                                                               Eur. avg. = Average of a total of 41 European and German cities studied; Ger. avg. = Average for only the 12 German cities.
                                                                                                                                                               * If a variety of data sources were consulted, the year indicated here refers only to the most important source; e = EIU estimate

22                                                                                                                                                                                                                                                                                                                                                                                               23
You can also read