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Science X network 288 Center for Strategic 261 EurekAlert 212
Canadian Institute o 70 Organization for Eco 61 International Energy 57
EurekAlert! - Earth 45 world meteorological 44 Minerals Council of 39
Australian Resources 33 Minging.com 28 Department of Energy 20
European Space Agenc 20 American Geosciences 11 Wetlands Internation 11
European Centre for 10 SciDev.Net 10 US Department of Ene 9
European Science Fou 8 American Geophysical 7