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Since 2015, Joshua Stevens has been the lead visualizer of the NASA Earth Observatory. He has researched and taught cartographic design, geovisual analytics, and remote sensing for more than a decade. He was the lead author of the 2012 update to the online geography textbook, Mapping Our Changing World. His work has been picked up by a variety of media, including The New York Times, The Washington Post, National Geographic, and the Discovery Channel.
Joshua was an NSF IGERT Fellow in big data social science at The Pennsylvania State University, where he pursued a Ph.D. in geography. He also earned a master's in geographic information science and a bachelor's degree in geography at Michigan State University. Joshua is a member of the North American Cartographic Information Society, and he enjoys geocaching, photography, and spending time with his wife and two children.