Bottrop Innovation City: Reduce CO2 Emissions by 50% from 2010 to 2020 in a city region of 70,000 http://www.bottrop.de/microsite/ic/Projekte/index.php
Covenant of Mayors: 4,602 mayors: 175.7 million residents The Covenant of Mayors, a European movement of local and regional authorities, voluntarily committing to increasing energy efficiency and use of renewable energy sources. Aim is to meet and exceed the European Union 20% CO 2 reduction objective by 2020.
Climate Science, Cities of the Future: European Green Capital Competition Stockholm, Sweden: 2010 Hamburg, Germany: 2011 Vitoria Gasteiz, Basque, Spain: 2012 Nantes, France: 2013 Copenhagen, Denmark: 2014