|
Centre for Economic Policy Research (United Kingdom)
190
|
Resources for the Future (United States)
33
|
Energy Policy Research Group (United Kingdom)
20
|
|
American Enterprise Institute (United States)
19
|
Brookings Institution (United States)
17
|
Center for Energy and Environmental Policy Research (United States)
8
|
|
Fondazione Eni Enrico Mattei (Italy)
8
|
Center for Climate and Energy Solutions (United States)
6
|
Centre for European Policy Studies (Belgium)
6
|
|
Chatham House (United Kingdom)
5
|
International Institute for Environment and Development (United Kingdom)
5
|
International Institute for Sustainable Development (Canada)
5
|
|
Centre for International Governance Innovation (Canada)
4
|
Copenhagen Consensus Center (Denmark)
4
|
Environment for Development Initiative (Sweden)
3
|
|
Stockholm Environment Institute (Sweden)
3
|
World Resources Institute (United States)
2
|
James A. Baker III Institute for Public Policy (United States)
1
|
|
Program on Energy and Sustainable Development (United States)
1
|
RAND Corporation (United States)
1
|
