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Is there room for geoengineering in the optimal climate policy mix?


Bahn, Olivier; Chesney, Marc; Gheyssens, Jonathan; Knutti, Reto; Pana, Anca Claudia (2015). Is there room for geoengineering in the optimal climate policy mix? Environmental Science & Policy, 48:67-76.

Abstract

We investigate geoengineering as a possible substitute for adaptation and mitigation measures to address climate change. With the help of an integrated assessment model, we distinguish between the effects of solar radiation management on atmospheric temperature levels and its side-effects on ecosystems. To address the uncertainty regarding the magnitude of side-effects, we rely on a distributional analysis. Our results indicate that mitigation is the preferred strategy, with adaptation acting as an effective complement. As geoengineering brings significant side-effectson the environment, it is used in only a few of theanalyzed scenarios. We then discuss additional concerns with geoengineering, and analyze their impacts on policy choices. In particular, we account for the possibility to make wrong assumptions about side-effects.

Abstract

We investigate geoengineering as a possible substitute for adaptation and mitigation measures to address climate change. With the help of an integrated assessment model, we distinguish between the effects of solar radiation management on atmospheric temperature levels and its side-effects on ecosystems. To address the uncertainty regarding the magnitude of side-effects, we rely on a distributional analysis. Our results indicate that mitigation is the preferred strategy, with adaptation acting as an effective complement. As geoengineering brings significant side-effectson the environment, it is used in only a few of theanalyzed scenarios. We then discuss additional concerns with geoengineering, and analyze their impacts on policy choices. In particular, we account for the possibility to make wrong assumptions about side-effects.

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6 citations in Web of Science®
7 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:03 Faculty of Economics > Department of Banking and Finance
Dewey Decimal Classification:330 Economics
Language:English
Date:1 April 2015
Deposited On:22 May 2015 13:06
Last Modified:21 Nov 2017 17:55
Publisher:Elsevier
ISSN:1462-9011
Publisher DOI:https://doi.org/10.1016/j.envsci.2014.12.014
Related URLs:http://www.sciencedirect.com/science/article/pii/S1462901114002421
Other Identification Number:merlin-id:9212

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