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Science X network 98 EurekAlert 85 United States Depart 70
Environment & Energy 44 Science Daily 43 The Associated Press 31
US Geological Survey 27 EurekAlert! - Earth 25 U.S. Energy Informat 22
EurekAlert! 20 Minging.com 17 National Center of A 12
US National Scientif 12 us environmental pro 12 US Environmental Pro 11
Department of Energy 7 Science 7 World Resources Inst 7
Convention on Biolog 6 Critical Zone Explor 6