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US Department of Ene 130 Science X network 125 Minging.com 80
Department of Conser 53 EurekAlert 46 Environment & Energy 30
United States Depart 22 UK Environment Agenc 21 RAND Corporation 18
Department for Busin 17 E3G 15 Center for Strategic 14
Scripps Institution 14 World Resources Inst 13 Science Daily 12
World Wide Fund for 12 Environmental Protec 11 UN Sustainable Devel 11
EurekAlert! - Earth 10 European Space Agenc 10