Mary Ellen Hannibal is an award-winning environmental author of five books including The Spine of the Continent and Citizen Scientist, and frequent writer for many publications, including the New York Times and Science. She also teaches at the California College of the Arts and the Fromm Institute in San Francisco. She is a creator and writer of “Nature in the City,” a spatio-temporal map of San Francisco, which synthesizes more than 40 maps of the terrain and tells stories of change over time. She has received an Alicia Patterson Foundation Fellowship and a Stanford University Media Fellowship, and received the American Association for the Advancement of Science’s Science and Society Award and Stanford University’s Knight-Risser Prize.