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共81条，第1-20条
World Wide Fund for 165 EurekAlert 114 United Nations Envir 98
World Resources Inst 83 Global Environment F 72 International Union 68
UN Sustainable Devel 60 World Business Counc 59 Department for Envir 49
Plymouth Marine Labo 44 Department of Conser 41 Natural Environment 37
Scripps Institution 37 National Oceanograph 35 us environmental pro 33
Institute for Europe 31 UK Environment Agenc 30 Environmental Monito 28
Government of Canada 28 Stockholm Internatio 24