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Science X network 622 Natural Resource can 82 Environment & Energy 42
Organization for Eco 37 World Resources Inst 30 world meteorological 26
EurekAlert! 23 future earth 23 Environmental Monito 18
EurekAlert! - Earth 15 German Aerosapce Cen 15 International Energy 15
Mining Association o 14 Environmental Protec 13 Prospectors & Develo 12
United States Depart 10 World Business Counc 10 Water Environment Fe 9
gov.uk-Department fo 9 Arctic Council 8