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EurekAlert 26 Asian Development Ba 21 Science X network 11
US Department of Ene 11 Canadian Institute o 8 Science Daily 8
Center for Internati 7 EurekAlert! - Earth 7 Rand Corporation 6
OECD iLibrary 5 RAND Corporation 5 US Geological Survey 4
EurekAlert! 3 Institute for Global 3 Center for Global De 2
International Instit 2 Resources for the Fu 2 United Nations Devel 2
World Resources Inst 2 World Wide Fund for 2