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World Resources Inst 26 us environmental pro 17 United Nations Envir 13
Environmental Protec 12 The European Environ 11 Department for Busin 9
World Business Counc 9 Institute for Europe 8 UN Sustainable Devel 8
Department for Envir 7 US Environmental Pro 7 Energy and Resources 6
EurekAlert 6 Ministry for the Env 6 Science 6
UK Environment Agenc 6 Resources for the Fu 5 Center for Strategic 4
Environmental Monito 4 UN-Habitat 4