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EurekAlert 50 Science X network 43 Science Daily 25
EurekAlert! - Earth 19 EurekAlert! 16 World Wide Fund for 10
us environmental pro 7 Imperial College Lon 5 US Environmental Pro 5
Department of Energy 4 Environmental Protec 4 European Space Agenc 4
The Water Council 4 Water Environment Fe 4 World Business Counc 4
World Resources Inst 4 Centre national de l 3 Environmental Monito 3
The European Environ 3 Commonwealth Scienti 2