Feng Chi Hsu¹, Christopher Elvidge², Mikhail N Zhizhin³, Kimberly Baugh³, Tilottama Ghosh⁴ and David Kroodsma⁵, (1)Colorado School of Mines, Golden, CO, United States, (2)Colorado School of Mines, Payne Institute for Public Policy, Golden, CO, United States, (3)NGDC NOAA, Boulder, CO, United States, (4)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (5)Global Fishing Watch, Washington D.C., United States