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Science X network 2066 EurekAlert 1999 Science Daily 781
EurekAlert! - Earth 703 EurekAlert! 411 United States Depart 382
European Space Agenc 326 Science 192 Asian Development Ba 164
Federal Environment 138 Imperial College Lon 126 German Aerosapce Cen 120
Center for Strategic 111 RAND Corporation 93 World Resources Inst 91
Centre national de l 87 Scripps Institution 87 Minging.com 81
The Center for Syste 81 UN Sustainable Devel 71