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Science Daily 1867 Science X network 913 EurekAlert 527
EurekAlert! - Earth 207 EurekAlert! 183 Minging.com 161
UN Sustainable Devel 154 us environmental pro 115 US Environmental Pro 102
World Resources Inst 102 Environmental Monito 98 World Wide Fund for 87
US Department of Ene 62 world meteorological 57 Department of Conser 56
Federal Environment 53 US Geological Survey 49 Eco-Business Researc 45
United Nations Envir 44 United States Depart 41