|
Brookings Institution (United States)
7156
|
International Institute for Applied Systems Analysis (Austria)
6585
|
German Development Institute (Germany)
4947
|
|
Institute for Global Environmental Strategies (Japan)
4296
|
Center for Strategic and International Studies (United States)
3825
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
3352
|
|
International Institute for Environment and Development (United Kingdom)
2978
|
Competitive Enterprise Institute (United States)
2735
|
Science Policy Research Unit (United Kingdom)
2661
|
|
American Enterprise Institute (United States)
2505
|
Center for American Progress (United States)
2044
|
World Food Programme (Italy)
1503
|
|
Danish Institute for International Studies (Denmark)
1465
|
RAND Corporation (United States)
1247
|
French Institute of International Relations (France)
1175
|
|
Urban Institute (United States)
1139
|
James A. Baker III Institute for Public Policy (United States)
1083
|
Environment for Development Initiative (Sweden)
1010
|
|
Centro Euro-Mediterraneo sui Cambiamenti Climatici (Italy)
947
|
Ecologic Institute (Germany)
946
|
