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EurekAlert 96 World Business Counc 70 Institute for Europe 68
World Wide Fund for 68 Bruegel 65 RAND Corporation 60
Center for Strategic 51 UN Sustainable Devel 29 United Nations Envir 28
World Resources Inst 28 Rand Corporation 27 Department for Busin 20
United Nations Food 18 CNRS News 17 Imperial College Lon 17
National Academy of 17 future earth 17 Arctic Council 16
Science 16 The European Environ 16