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Climate experts' views on geoengineering depend on their beliefs about climate change impacts.

ABSTRACT: Climate change damages are expected to increase with global warming, which could be limited directly by solar geoengineering. Here we analyse the views of 723 negotiators and scientists involved in international climate policy who will have a significant influence on whether solar geoengineering will be deployed to counter climate change. We find that respondents who expect severe global climate change damages and who have little confidence in current mitigation efforts are more opposed to geoengineering than respondents who are less pessimistic about global damages and mitigation efforts. However, we also find that respondents are more supportive of geoengineering when they expect severe climate change damages in their home country than when they have more optimistic expectations for the home country. Thus, when respondents are more personally affected, their views are closer to what rational cost-benefit analyses predict.

SUBMITTER: Dannenberg A

PROVIDER: S-EPMC6774770 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Climate experts' views on geoengineering depend on their beliefs about climate change impacts.

Dannenberg Astrid A Zitzelsberger Sonja S

Nature climate change 20190902 10

Climate change damages are expected to increase with global warming, which could be limited directly by solar geoengineering. Here we analyse the views of 723 negotiators and scientists involved in international climate policy who will have a significant influence on whether solar geoengineering will be deployed to counter climate change. We find that respondents who expect severe global climate change damages and who have little confidence in current mitigation efforts are more opposed to geoen ...[more]

PMID: 31579402

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