Solar geoengineering reduces atmospheric carbon burden

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% of twen...

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Bibliographic Details
Published in:Nature climate change 2017-09, Vol.7 (9), p.617-619
Main Authors: Keith, David W., Wagner, Gernot, Zabel, Claire L.
Format: Article
Language:English
Subjects:
21st century
704/106/47
704/106/694
704/106/694/682
Acidification
Biosphere
Carbon cycle
Carbon dioxide
Carbon dioxide removal
Climate Change
Climate Change/Climate Change Impacts
commentary
Cost analysis
Discount rates
Emissions
Energy industry
Environment
Environmental Law/Policy/Ecojustice
Environmental policy
Estimates
Feedback
Geoengineering
Geosphere
Permafrost
Radiation
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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% of twenty-first-century emissions at a cost of under US$0.5 per tCO 2 .
ISSN:1758-678X
1758-6798
DOI:10.1038/nclimate3376