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EurekAlert 2412 Science X network 2130 United States Depart 1141
Science Daily 823 RAND Corporation 642 us environmental pro 630
EurekAlert! - Earth 605 Department of Energy 600 EurekAlert! 584
U.S. Energy Informat 527 Environment & Energy 525 Science 481
US Environmental Pro 397 World Resources Inst 302 Minging.com 251
US Geological Survey 243 The Associated Press 211 Scripps Institution 175
Scientific American 165 Environmental Protec 144