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United States Depart 25 World Resources Inst 8 World Wide Fund for 4
Environmental Health 2 NewScientist 2 Center for Strategic 1
Centre for Ecology & 1 Department for Busin 1 Environmental Monito 1
EurekAlert 1 Global Environment F 1 Science 1
The Center for Syste 1 US Environmental Pro 1 United Nations Envir 1