Earth System Dynamics
Earth System Dynamics
ESD
Articles | Volume 10, issue 3
Articles | Volume 10, issue 3
https://doi.org/10.5194/esd-10-453-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esd-10-453-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 10, issue 3
Research article
 | 
15 Jul 2019
Research article |  | 15 Jul 2019

Complementing CO2 emission reduction by solar radiation management might strongly enhance future welfare

Koen G. Helwegen, Claudia E. Wieners, Jason E. Frank, and Henk A. Dijkstra

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Short summary
We use the climate-economy model DICE to perform a cost–benefit analysis of sulfate geoengineering, i.e. producing a thin artificial sulfate haze in the higher atmosphere to reflect some sunlight and cool the Earth. We find that geoengineering can increase future welfare by reducing global warming, and should be taken seriously as a policy option, but it can only complement, not replace, carbon emission reduction. The best policy is to combine CO2 emission reduction with modest geoengineering.
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