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Science X network 183 World Resources Inst 147 EurekAlert 93
United States Depart 83 world meteorological 65 Department of Conser 59
UK Environment Agenc 57 Department for Envir 52 United Nations Envir 44
Environment & Energy 41 International Union 40 gov.uk - environment 40
US Geological Survey 38 gov.uk-Department fo 38 Science Daily 34
World Business Counc 34 Global Environment F 33 EurekAlert! 32
EurekAlert! - Earth 32 us environmental pro 30