914 ITU‐T's Technical Reports and Specifications European green city index Category indicator Type Description Size of non‐car transport network Quantitative Length of cycling lanes and the public transport network, in km per square meter of city area. Green transport promotion Qualitative An assessment of the extensiveness of efforts to increase the use of cleaner transport. Congestion reduction policies Qualitative An assessment of the efforts to reduce vehicle traffic within the city. Water Water consumption Quantitative Total annual water consumption, in cubic meters per head. Water system leakage Quantitative Percentage of water lost in the water distribution system. Wastewater treatment Quantitative Percentage of dwellings connected to the sewage system. Water efficiency and treatment policies Qualitative An assessment of the comprehensiveness of measures to improve the efficiency of water usage and the treatment of wastewater. Waste and land use Municipal waste production Quantitative Total annual municipal waste collected, in kg per head. Waste recycling Quantitative Percentage of municipal waste recycled. Waste reduction and policies Qualitative An assessment of the extensiveness of measures to reduce the overall production of waste, and to recycle and reuse waste. Green land use policies Qualitative An assessment of the comprehensiveness of policies to contain the urban sprawl and promote the availability of green spaces. Air quality Nitrogen dioxide Quantitative Annual daily mean of NO2 emissions. Ozone Quantitative Annual daily mean of O3 emissions. Particulate matter Quantitative Annual daily mean of PM10 emissions. Sulphur dioxide Quantitative Annual daily mean of SO2 emissions. Clean air policies Qualitative An assessment of the extensiveness of policies to improve air quality. Environ‐mental gover‐nance Green action plan Qualitative An assessment of the ambitiousness and comprehensiveness of strategies to improve and monitor environmental performance. Green management Qualitative An assessment of the management of environmental issues and commitment to achieving international environmental standards. Public participation in green policy Qualitative An assessment of the extent to which citizens may participate in environmental decision‐making. Siemens web sites include links to the Green city index reports. http://www.siemens.com/entry/cc/en/greencityindex.htm