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David Keith

Mailing address

Pierce Hall 123
29 Oxford Street
School of Engineering and Applied Sciences
Cambridge, MA, 02138


David Keith

Professor of Public Policy, Harvard Kennedy School

Telephone: 403-775-6162



David Keith has worked near the interface between climate science, energy technology, and public policy for twenty years. He took first prize in Canada's national physics prize exam, won the Massachusetts Institute of Technology's prize for excellence in experimental physics, and was listed as one of TIME magazine's Heroes of the Environment 2009 (article). David's academic appointments are at Harvard where he serves as the Gordon McKay Professor of Applied Physics in the School of Engineering and Applied Sciences (SEAS) and Professor of Public Policy at the Harvard Kennedy School. David divides his time between Boston and Calgary where he serves as president of Carbon Engineering—a start-up company developing industrial scale technologies for capture of CO2 from ambient air.

Assistant: Xiomara Forbez
Telephone: 857-600-8131



By Date


January 2013

"The Fate of an Engineered Planet"

Journal Article, Scientific American, issue 1, volume 308

By David Keith, Professor of Public Policy, Harvard Kennedy School and Andy Parker, Associate, Science, Technology, and Public Policy Program, July 31, 2014–November 2014; Research Fellow, Science, Technology, and Public Policy Program, August 20, 2012–July 30, 2014

Solar engineering and other exceptionally ambitious new technologies to deal with the reality of rising global temperatures come riddled with uncertainties. To illustrate how complex the problem is and what kind of challenges lie ahead, here are three contrasting, and somewhat fantastical, scenarios.



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