|
International Institute for Environment and Development (United Kingdom)
16
|
James A. Baker III Institute for Public Policy (United States)
16
|
Overseas Development Institute (United Kingdom)
15
|
|
Brookings Institution (United States)
12
|
International Institute for Applied Systems Analysis (Austria)
7
|
Atlantic Council (United States)
6
|
|
National Bureau of Economic Research (United States)
6
|
RAND Corporation (United States)
5
|
Mathematica Policy Research (United States)
4
|
|
Urban Institute (United States)
4
|
Center for American Progress (United States)
2
|
Centre for Economic Policy Research (United Kingdom)
2
|
|
Basque Centre for Climate Change (Spain)
1
|
Institute for Applied Ecology (Germany)
1
|
