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Science X network 689 EurekAlert 659 us environmental pro 427
Science Daily 297 EurekAlert! 285 US Environmental Pro 253
Environmental Monito 210 EurekAlert! - Earth 176 United Nations Envir 156
World Resources Inst 142 Environmental Protec 131 United States Depart 129
US Department of Ene 124 UK Environment Agenc 117 Department for Envir 112
gov.uk - environment 88 Institute for Europe 87 World Business Counc 87
Center for Internati 76 gov.uk-Department fo 74