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共45条，第1-20条
EurekAlert 292 Science Daily 116 Convention on Biolog 84
Department of Conser 78 Science 34 Department for Envir 22
UK Environment Agenc 17 European Space Agenc 13 Environment and Clim 12
United Nations Envir 12 United States Depart 12 Climate News Network 11
World Wide Fund for 10 Cary Institute of Ec 8 National Science Fou 6
The Associated Press 6 US Geological Survey 6 NewScientist 5
UN Sustainable Devel 5 CNRS News 4