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EurekAlert 1394 UN Sustainable Devel 552 UK Environment Agenc 396
RAND Corporation 373 World Resources Inst 338 Imperial College Lon 334
Department of Conser 317 World Business Counc 312 Science 300
gov.uk - environment 292 World Wide Fund for 247 United States Depart 232
Department for Envir 200 Convention on Biolog 195 Bruegel 147
Department for Busin 131 United Nations Envir 119 Global Environment F 87
Institute for Europe 82 us environmental pro 79