GSTDTAP
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Government of Canada 44 Scripps Institution 41 US Environmental Pro 38
EurekAlert 37 us environmental pro 30 United Nations Envir 28
gov.uk - environment 28 World Wide Fund for 27 UK Environment Agenc 25
World Resources Inst 25 Department of Conser 23 Woods Hole Oceanogra 22
National Centers for 21 UN Sustainable Devel 18 Global Environment F 17
Plymouth Marine Labo 16 Bureau of Ocean Ener 15 National Oceanograph 15
Seismological Societ 15 US Geological Survey 15