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World Wide Fund for 121 EurekAlert 91 United Nations Envir 85
Global Environment F 80 World Resources Inst 58 Cary Institute of Ec 53
International Union 37 Institute for Europe 35 Government of Canada 32
United Nations Food 29 World Business Counc 28 Department for Envir 27
Plymouth Marine Labo 27 UN Sustainable Devel 27 National Oceanograph 23
Environmental Monito 21 Stockholm Internatio 21 Scripps Institution 20
US National Scientif 19 US Geological Survey 18