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US Geological Survey 489 EurekAlert 246 RAND Corporation 169
US Geological Survey 166 British Antarctic Su 100 Science 64
Seismological Societ 62 Imperial College Lon 49 National Oceanograph 46
United States Depart 44 World Business Counc 42 Scripps Institution 40
Bruegel 34 Rand Corporation 34 UK Environment Agenc 33
World Wide Fund for 32 Natural Environment 30 Environment for Deve 28
Environmental Monito 28 Department for Envir 27