|
Adam Smith Institute (United Kingdom)
10644
|
Atlantic Council (United States)
8854
|
Earth Institute (United States)
4492
|
|
Peterson Institute for International Economics (United States)
3802
|
The Green Political Foundation (Germany)
2945
|
World Resources Institute (United States)
2692
|
|
Urban Institute (United States)
2496
|
Overseas Development Institute (United Kingdom)
1808
|
Resources for the Future (United States)
1763
|
|
Fraser Institute (Canada)
1391
|
James A. Baker III Institute for Public Policy (United States)
1148
|
Pembina Institute (Canada)
1003
|
|
Carnegie Middle East Center (Lebanon)
869
|
International Institute for Environment and Development (United Kingdom)
833
|
Carnegie Endowment for International Peace (United States)
780
|
|
Center for International Development (United States)
700
|
Instituto de Estudios Avanzados en Desarrollo (Bolivia)
686
|
African Wildlife Foundation (Kenya)
580
|
|
Third Generation Environmentalism (United Kingdom)
460
|
Mathematica Policy Research (United States)
298
|
