|
Centre for Economic Policy Research (United Kingdom)
120
|
Stockholm Environment Institute (Sweden)
48
|
Center for Environmental Research (Germany)
27
|
|
Fondazione Eni Enrico Mattei (Italy)
10
|
Brookings Institution (United States)
8
|
Resources for the Future (United States)
5
|
|
Copenhagen Consensus Center (Denmark)
4
|
Program on Energy and Sustainable Development (United States)
4
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
3
|
|
American Enterprise Institute (United States)
2
|
Energy Policy Research Group (United Kingdom)
2
|
Agora Energiewende (Germany)
1
|
|
Center for American Progress (United States)
1
|
International Institute for Environment and Development (United Kingdom)
1
|
RAND Corporation (United States)
1
|
|
The Australia Institute (Australia)
1
|
