|
Ecologic Institute (Germany)
24
|
Institute of Energy Economics, Japan (Japan)
9
|
Competitive Enterprise Institute (United States)
7
|
|
Ashoka Trust for Research in Ecology and the Environment (India)
5
|
Brookings Institution (United States)
4
|
Atlantic Council (United States)
2
|
|
World Resources Institute (United States)
2
|
Agora Energiewende (Germany)
1
|
Chatham House (United Kingdom)
1
|
|
International Institute for Applied Systems Analysis (Austria)
1
|
Konrad Adenauer Foundation (Germany)
1
|
National Bureau of Economic Research (United States)
1
|
