|
RAND Corporation (United States)
71
|
Brookings Institution (United States)
44
|
National Bureau of Economic Research (United States)
39
|
|
The Green Political Foundation (Germany)
29
|
Centro Euro-Mediterraneo sui Cambiamenti Climatici (Italy)
24
|
Institute for Energy Research (United States)
14
|
|
Center for International Forestry Research (Indonesia)
13
|
Resources for the Future (United States)
13
|
Basque Centre for Climate Change (Spain)
12
|
|
Institute for Applied Ecology (Germany)
10
|
Atlantic Council (United States)
9
|
Centre for Economic Policy Research (United Kingdom)
8
|
|
International Institute for Applied Systems Analysis (Austria)
8
|
Urban Institute (United States)
7
|
Centre for International Governance Innovation (Canada)
6
|
|
Mathematica Policy Research (United States)
6
|
Center for Strategic and International Studies (United States)
5
|
Competitive Enterprise Institute (United States)
3
|
|
James A. Baker III Institute for Public Policy (United States)
3
|
American Enterprise Institute (United States)
2
|
