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United States Depart 203 Institute for Europe 138 World Resources Inst 73
Department for Envir 48 Center for Strategic 46 World Business Counc 39
World Wide Fund for 38 United Nations Food 35 EurekAlert 34
Global Forum on Agri 28 Global Environment F 26 Netherlands Environm 23
United Nations Envir 21 UN Sustainable Devel 16 RAND Corporation 15
Australian Bureau of 14 future earth 14 International Union 13
us environmental pro 13 Environment for Deve 12