Brookings Institution (United States)
31
|
Center for International Forestry Research (Indonesia)
28
|
RAND Corporation (United States)
21
|
National Bureau of Economic Research (United States)
13
|
Basque Centre for Climate Change (Spain)
6
|
American Enterprise Institute (United States)
4
|
Mathematica Policy Research (United States)
4
|
Centro Euro-Mediterraneo sui Cambiamenti Climatici (Italy)
3
|
Urban Institute (United States)
3
|
Center for American Progress (United States)
2
|
Centre for International Governance Innovation (Canada)
2
|
Wuppertal Institute for Climate, Environment and Energy (Germany)
2
|
Center for Energy and Environmental Policy Research (United States)
1
|
Center for International Development (United States)
1
|
Centre for European Policy Studies (Belgium)
1
|
International Institute for Sustainable Development (Canada)
1
|
Resources for the Future (United States)
1
|