|
National Bureau of Economic Research (United States)
30845
|
United Nations Environment Programme (Kenya)
6337
|
Brookings Institution (United States)
6066
|
|
RAND Corporation (United States)
4334
|
Center for Strategic and International Studies (United States)
4124
|
Urban Institute (United States)
3738
|
|
Overseas Development Institute (United Kingdom)
2671
|
American Enterprise Institute (United States)
2381
|
International Institute for Environment and Development (United Kingdom)
2360
|
|
Center for American Progress (United States)
1955
|
International Institute for Applied Systems Analysis (Austria)
1946
|
Institute of Energy Economics, Japan (Japan)
1912
|
|
Korea Evironment Institute (Republic of Korea)
1296
|
Fraser Institute (Canada)
1295
|
Korea Development Institute (Republic of Korea)
1206
|
|
Atlantic Council (United States)
810
|
James A. Baker III Institute for Public Policy (United States)
684
|
Civic Exchange (China)
635
|
|
Institute for Global Environmental Strategies (Japan)
628
|
Korea Energy Economics Institute (Republic of Korea)
596
|
