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EurekAlert 1636 United States Depart 1497 Science X network 1485
Center for Strategic 625 RAND Corporation 618 Science Daily 517
EurekAlert! 390 EurekAlert! - Earth 389 Rand Corporation 379
U.S. Energy Informat 378 World Resources Inst 361 Science 354
UN Sustainable Devel 346 Department of Energy 241 US Department of Ene 189
US Geological Survey 167 United Nations Envir 162 world meteorological 162
Minging.com 156 Asian Development Ba 148