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EurekAlert 29 World Resources Inst 27 World Wide Fund for 23
Science 13 Department of Conser 10 Cary Institute of Ec 9
International Union 9 United States Depart 8 Convention on Biolog 7
Global Environment F 7 US National Scientif 6 United Nations Envir 6
Scripps Institution 5 UN Sustainable Devel 5 Eco-Business Researc 4
future earth 4 Department of the En 3 NewScientist 3
Australian Bureau of 2 British Antarctic Su 2