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Science X network 442 US Department of Ene 221 EurekAlert 194
US Geological Survey 139 Science Daily 89 Center for Strategic 83
European Space Agenc 73 Asian Development Ba 66 EurekAlert! 62
World Resources Inst 62 EurekAlert! - Earth 61 Minging.com 54
Science 52 Rand Corporation 45 Australian Resources 41
World Meteorological 41 Center for Internati 36 RAND Corporation 36
Scripps Institution 34 Bruegel 29