Journal Article - Nature Climate Change

Solar Geoengineering Reduces Atmospheric Carbon Burden

| September 2017

Summary

Solar geoengineering is no substitute for cutting emissions, but could nevertheless help reduce the atmospheric carbon burden. In the extreme, if solar geoengineering were used to hold radiative forcing constant under RCP8.5, the carbon burden may be reduced by ∼100 GTC, equivalent to 12–26 percent of twenty-first-century emissions at a cost of under US$0.5 per tCO2.

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For Academic Citation:

Keith, David, Gernot Wagner and Claire L. Zabel. "Solar Geoengineering Reduces Atmospheric Carbon Burden." Nature Climate Change, vol. 7. (September 2017): 617–619.

The Authors

David Keith

David Keith

  • Professor of Public Policy, Harvard Kennedy School
  • Gordon McKay Professor of Applied Physics, SEAS, Harvard University
Expertise:

Claire L. Zabel

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