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EurekAlert 780 Science X network 594 EurekAlert! - Earth 96
Center for Strategic 61 Australian Resources 30 Centre national de l 29
European Space Agenc 26 Organization for Eco 26 Canadian Institute o 23
Commonwealth Scienti 22 world meteorological 17 CNRS News 16
German Aerosapce Cen 14 Minging.com 12 Department of Energy 10
Natural Resource can 9 SciDev.Net 9 Wetlands Internation 8
US National Scientif 5 American Geosciences 4