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Environment & Energy 120 Science X network 97 World Resources Inst 92
EurekAlert 83 RAND Corporation 47 Science Daily 32
EurekAlert! 30 Scientific American 28 World Business Counc 27
United States Depart 24 US Department of Ene 22 The Associated Press 17
EurekAlert! - Earth 16 International Renewa 16 Rand Corporation 14
UN Sustainable Devel 13 European Space Agenc 12 Asian Development Ba 11
International Energy 11 Science 11