|
National Bureau of Economic Research (United States)
149
|
Overseas Development Institute (United Kingdom)
117
|
RAND Corporation (United States)
67
|
|
Brookings Institution (United States)
54
|
Urban Institute (United States)
42
|
International Institute for Environment and Development (United Kingdom)
18
|
|
Center for Strategic and International Studies (United States)
14
|
Fraser Institute (Canada)
7
|
American Enterprise Institute (United States)
5
|
|
Center for American Progress (United States)
5
|
James A. Baker III Institute for Public Policy (United States)
5
|
Science Policy Research Unit (United Kingdom)
5
|
|
International Institute for Applied Systems Analysis (Austria)
4
|
Korea Development Institute (Republic of Korea)
4
|
Agora Energiewende (Germany)
2
|
|
Chatham House (United Kingdom)
2
|
Danish Institute for International Studies (Denmark)
2
|
E3G – Third Generation Environmentalism (United Kingdom)
2
|
|
Potsdam Institute for Climate Impact Research (Germany)
2
|
Atlantic Council (United States)
1
|
