|
RAND Corporation (United States)
232
|
Brookings Institution (United States)
173
|
Center for Environmental Research (Germany)
104
|
|
Potsdam Institute for Climate Impact Research (Germany)
92
|
Ecologic Institute (Germany)
69
|
American Enterprise Institute (United States)
41
|
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
18
|
Center for Strategic and International Studies (United States)
16
|
Institute of Energy Economics, Japan (Japan)
12
|
|
Fraser Institute (Canada)
10
|
Resources for the Future (United States)
9
|
World Resources Institute (United States)
6
|
|
Centre for Economic Policy Research (United Kingdom)
2
|
Center for American Progress (United States)
1
|
International Institute for Sustainable Development (Canada)
1
|
