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EurekAlert 17 EurekAlert! 13 Science Daily 12
Environment & Energy 10 RAND Corporation 9 UN Sustainable Devel 9
World Resources Inst 8 United Nations Devel 7 Eco-Business Researc 6
Science 6 Canadian Institute o 5 Environmental Health 5
Climate News Network 4 SciDev.Net 4 World Wide Fund for 4
world meteorological 4 The Associated Press 3 UN-Habitat 3
World Bank Blogs 3 EurekAlert! - Earth 2