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U.S. Energy Informat 40 Science X network 17 US Department of Ene 12
EurekAlert 8 EurekAlert! - Earth 6 Science Daily 6
Department of Energy 5 EurekAlert! 3 us environmental pro 3
Center for Strategic 2 Environmental Protec 2 Natural Resource can 2
The Associated Press 2 Cary Institute of Ec 1 Department for Busin 1
Eco-Business Researc 1 Environment & Energy 1 Environment and Clim 1
Environmental Health 1 Environmental Monito 1