Daniel Sarewitz is on the faculty of Arizona State University where he co-directs the Consortium for Science, Policy and Outcomes, which he also co-founded in 1998. His work explores the relationships among knowledge, uncertainty, disagreement, policy, and social outcomes (he thinks). His most recent book is The Techno-Human Condition (co-authored with Braden Allenby; MIT Press, 2011). He edits the magazine Issues in Science and Technology and is a regular columnist for the journal Nature. He is about to start a cool new project on harmonies between science and religion. He used to be a geologist, and also worked as a Congressional staffer.
Philip Silva is an environmental planner, advocate, and educator pursuing a Ph.D. in natural resources at Cornell University. Philip is the co-founder of TreeKIT, an initiative helping city dwellers measure, map, and collaboratively manage urban forests. He also works with Farming Concrete on efforts to help community gardeners throughout the world measure all the good things happening in their gardens. He is a regular contributor toThe Nature of Cities, a website publishing original content on cities as ecological spaces. Philip has worked with many of New York City’s most celebrated environmental stewardship organizations, including Sustainable South Bronx, the Southern Bronx River Watershed Alliance, Brooklyn Botanic Garden, Just Food, New York Restoration Project, Gowanus Canal Conservancy, and Trees New York. He is a Senior Fellow of the Environmental Leadership Program and a certified practitioner of Dialogue Education. A native of the City of Newark who grew up on the Jersey Shore, Philip is passionate about the history, ecology, and industrial landscape of the New York Harbor Region.