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EurekAlert 1700 EurekAlert! - Earth 620 Science X network 526
Science Daily 492 EurekAlert! 416 Science 202
National Science Fou 197 US National Scientif 186 Scripps Institution 168
Woods Hole Oceanogra 79 National Center of A 72 Critical Zone Explor 37
future earth 35 The Center for Syste 30 Department of Energy 28
National Academies P 28 Australian Academy o 26 US Geological Survey 22
World Resources Inst 22 Environmental Monito 21