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US Geological Survey 47 EurekAlert 29 RAND Corporation 23
Science 22 British Antarctic Su 14 Department of Conser 13
United States Depart 13 US Environmental Pro 11 Environmental Monito 10
Natural Environment 10 Scripps Institution 10 Center for Strategic 9
Imperial College Lon 9 World Resources Inst 9 WEF Stormwater Repor 8
Rand Corporation 6 Seismological Societ 6 World Wide Fund for 6
Bruegel 5 US National Scientif 5