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United States Depart 1146 EurekAlert 348 World Business Counc 348
World Resources Inst 337 UN Sustainable Devel 269 World Wide Fund for 227
Imperial College Lon 220 RAND Corporation 211 Department for Busin 175
Department of Conser 151 United Nations Envir 125 UK Environment Agenc 120
Scripps Institution 119 Institute for Europe 117 Department for Envir 102
Global Environment F 91 Science 89 Australian Academy o 77
UN-Habitat 71 Water Environment Fe 70