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EurekAlert 707 Science Daily 284 Environment & Energy 173
Science 143 EurekAlert! - Earth 119 United States Depart 103
EurekAlert! 87 Scripps Institution 79 RAND Corporation 75
Scientific American 71 Environmental Health 68 The Associated Press 60
NASA Global Climate 48 Center for Strategic 44 World Resources Inst 30
U.S. Energy Informat 29 US Environmental Pro 28 Climate News Network 22
European Space Agenc 21 Minging.com 20