|
Centre for Economic Policy Research (United Kingdom)
2528
|
National Bureau of Economic Research (United States)
1682
|
Center for American Progress (United States)
595
|
|
RAND Corporation (United States)
519
|
World Food Programme (Italy)
471
|
Urban Institute (United States)
389
|
|
Consultative Group on International Agricultural Research (United States)
347
|
Stockholm Environment Institute (Sweden)
254
|
Resources for the Future (United States)
215
|
|
Earth Institute (United States)
195
|
Adam Smith Institute (United Kingdom)
184
|
Mathematica Policy Research (United States)
165
|
|
Overseas Development Institute (United Kingdom)
163
|
Chatham House (United Kingdom)
157
|
Third Generation Environmentalism (United Kingdom)
97
|
|
Center for Climate and Energy Solutions (United States)
89
|
Fraser Institute (Canada)
85
|
Frontier Centre for Public Policy (Canada)
80
|
|
Environment for Development Initiative (Sweden)
74
|
Brookings Institution (United States)
61
|
