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EurekAlert 185 Science X network 139 United States Depart 114
Minging.com 85 Science Daily 64 Commonwealth Scienti 54
UN Sustainable Devel 52 U.S. Energy Informat 42 World Resources Inst 41
EurekAlert! 40 Center for Strategic 36 US Geological Survey 35
EurekAlert! - Earth 32 World Business Counc 32 US Department of Ene 31
Institute for Europe 22 The European Environ 22 Woods Hole Oceanogra 15
World Wide Fund for 14 Alfred Wegener Insti 11