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United States Depart 1497 Science X network 179 EurekAlert 139
Environment & Energy 115 EurekAlert! 51 EurekAlert! - Earth 45
Science Daily 40 US Department of Ene 28 Critical Zone Explor 21
World Resources Inst 18 us environmental pro 18 Environmental Monito 16
Science 13 US Environmental Pro 13 U.S. Energy Informat 10
Cary Institute of Ec 9 RAND Corporation 9 NASA Global Climate 7
American Geophysical 6 Environmental Protec 6