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World Resources Inst 41 UK Environment Agenc 29 EurekAlert 20
UN Sustainable Devel 14 Imperial College Lon 13 gov.uk - environment 10
Federal Environment 9 Department for Busin 8 Environmental Protec 8
RAND Corporation 8 The European Environ 8 UN-Habitat 7
United Nations Envir 7 World Business Counc 7 Department for Envir 6
Department of Conser 5 NewScientist 5 CNRS News 3
Convention on Biolog 3 United States Depart 3