|
National Bureau of Economic Research (United States)
1261
|
RAND Corporation (United States)
544
|
Brookings Institution (United States)
454
|
|
Konrad Adenauer Foundation (Germany)
254
|
Center for Strategic and International Studies (United States)
210
|
Urban Institute (United States)
188
|
|
American Enterprise Institute (United States)
126
|
International Institute for Environment and Development (United Kingdom)
109
|
Center for American Progress (United States)
105
|
|
Institute for Global Environmental Strategies (Japan)
102
|
Atlantic Council (United States)
90
|
Fraser Institute (Canada)
90
|
|
Institute of Energy Economics, Japan (Japan)
86
|
Centre for Science and Environment (India)
82
|
United Nations Environment Programme (Kenya)
82
|
|
Overseas Development Institute (United Kingdom)
80
|
Korea Evironment Institute (Republic of Korea)
72
|
World Resources Institute (United States)
67
|
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
63
|
International Institute for Sustainable Development (Canada)
60
|
