David Keith (scientist)

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For the actor/director, see David Keith.

David W. Keith (born 1963) is a Canadian environmental scientist. He is Gordon McKay Professor of Applied Physics, School of Engineering and Applied Sciences (SEAS) and Professor of Public Policy, Harvard Kennedy School, Harvard University.[1] He is president of Carbon Engineering, based in Calgary, which works on ways to capture carbon dioxide directly from the atmosphere.[2] Keith has worked in carbon dioxide air capture.[3] In 2006, Keith was selected by Canadian Geographic as Environmental Scientist of the Year.[3][4]

In 2013, Keith released a book, A Case for Climate Engineering, detailing a controversial strategy for slowing climate change.[5] In it, Keith argued that spraying alumina particles in the upper atmosphere would create a reflective shield that would slow down the rate of climate change and buy humans time to curb emissions and instill more sustainable behavior.[2] He estimates the cost at $1 billion per year; he predicted that, without action, climate change would cost at least $1 trillion a year by 2050.[2]

Keith has been featured on the Discovery Channel,[6][non-primary source needed], did an interview on BBC News HARDTalk in November 2011,[7][8][9] has participated in TED talks in September 2007 ,[10][11][12] and appeared in a documentary on geoengineering currently under production.[13][non-primary source needed] He also promoted his geoengineering idea to slow climate change by spraying reflective particles into the upper atmosphere on The Colbert Report.[14]

An Ecomodernist Manifesto[edit]

In April 2015, Keith joined with a group of scholars in issuing An Ecomodernist Manifesto.[15][16] The other authors were: John Asafu-Adjaye, Linus Blomqvist, Stewart Brand, Barry Brook. Ruth DeFries, Erle Ellis, Christopher Foreman, Martin Lewis, Mark Lynas, Ted Nordhaus, Roger A. Pielke, Jr., Rachel Pritzker, Joyashree Roy, Mark Sagoff, Michael Shellenberger, Robert Stone, and Peter Teague[17]


  1. ^ Template:Cite web edd
  2. ^ a b c Grolle, Johann (20 November 2013). "Cheap But Imperfect: Can Geoengineering Slow Climate Change?". Der Spiegel. Retrieved 16 December 2013. 
  3. ^ a b Brian, Bergman. "Climate Contrarian" (PDF). Canadian Geographic (May/June 2006): 74–82. Retrieved June 10, 2009. 
  4. ^ NPR/TED Staff (9 August 2013). "Can Hacking The Stratosphere Solve Climate Change?". NPR. Retrieved 16 December 2013. 
  5. ^ Keith, David (2013). A Case for Climate Engineering. MIT Press. ISBN 0262019825. 
  6. ^ "David Keith: Fixing Carbon". Project Earth. Discovery Channel online. Retrieved 2011-11-01. 
  7. ^ "HARDtalk with David Keith". BBC News Channel. Retrieved 2012-05-17. 
  8. ^ "David Keith on the BBC HARDtalk Show". Global Oneness. Retrieved 2012-05-17. 
  9. ^ "David Keith: Solar Geoengineering Publications". Harvard University. Retrieved 2012-05-17. 
  10. ^ "David Keith´s unusual climate change ideas". TED Talks. September 2007. Retrieved 2012-05-17. 
  11. ^ "David Keith speaks on TED". The Climate Post. 2008-04-16. Retrieved 2012-05-17. 
  12. ^ "The great experiment with planet Earth (german)". Sauberer Himmel. 2012-05-09. Retrieved 2012-05-17. 
  13. ^ "Documentary Who owns the Weather". Retrieved 2012-05-12. 
  14. ^ Revkin, Andrew C. (13 December 2013). "Engineering the Climate – Colbert’s ‘All-Chocolate Dinner’". The New York Times. Retrieved 16 December 2013. 
  15. ^ "An Ecomodernist Manifesto". ecomodernism.org. Retrieved April 17, 2015. A good Anthropocene demands that humans use their growing social, economic, and technological powers to make life better for people, stabilize the climate, and protect the natural world. 
  16. ^ Eduardo Porter (April 14, 2015). "A Call to Look Past Sustainable Development". The New York Times. Retrieved April 17, 2015. On Tuesday, a group of scholars involved in the environmental debate, including Professor Roy and Professor Brook, Ruth DeFries of Columbia University, and Michael Shellenberger and Ted Nordhaus of the Breakthrough Institute in Oakland, Calif., issued what they are calling the “Eco-modernist Manifesto.” 
  17. ^ "Authors An Ecomodernist Manifesto". ecomodernism.org. Retrieved April 17, 2015. As scholars, scientists, campaigners, and citizens, we write with the conviction that knowledge and technology, applied with wisdom, might allow for a good, or even great, Anthropocene. 

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