United Nations Environment Programme (Kenya)
6640
|
World Food Programme (Italy)
653
|
Chatham House (United Kingdom)
517
|
Center for Strategic and International Studies (United States)
499
|
Sustainable Development Policy Institute (Pakistan)
407
|
Atlantic Council (United States)
361
|
Brookings Institution (United States)
260
|
German Development Institute (Germany)
259
|
Overseas Development Institute (United Kingdom)
249
|
Competitive Enterprise Institute (United States)
215
|
Institute du Developpement Durable et Relations Internationales (France)
179
|
Centre for Science and Environment (India)
177
|
James A. Baker III Institute for Public Policy (United States)
170
|
World Resources Institute (United States)
137
|
Centre for European Policy Studies (Belgium)
126
|
Center for International Forestry Research (Indonesia)
116
|
Fondazione Eni Enrico Mattei (Italy)
111
|
Hague Centre for Strategic Studies (Netherlands)
107
|
Environment for Development Initiative (Sweden)
99
|
Carnegie Endowment for International Peace (United States)
98
|