German Autobahn to be Covered with Giant Public Park, November 30  topic
- Bonn Center for Local Climate Action and Reporting - carbonn - aims at facilitating the access of local governments to climate benchmarking instruments on a global scale. 14 December  topic
- Reichstag to run solely on renewable power, March 21 
- ↑ treehugger.com, November 30, 2011
- ↑ United Nations Environment Programme, 14 December 2009
- ↑ off-grid.net, 17 Oct 2009
- ↑ The Guardian, March 21
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