What is it about?
Climate engineering provides solutions that directly affect the incoming radiation from the sun and are able to rapidly offset the temperature increase. These technologies open new scenarios for the management of climate change. As they have never been deployed, though, many risks and unknown exist. This study uses lab experiments to shed light on the human factors related to the governance of geoengineering at the national and international level.
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Why is it important?
Solar geoengineering is a technology that allows countries to unilaterally influence the world temperature. When used, it could trigger conflicting interventions by countries who prefer different temperatures. We find that those countries wanting a cooler climate impose it on others by producing too much geoengineering and increasing inequality across countries. Other countries may react through counter-geoengineering interventions. We report that such interventions create highly volatile outcomes in terms of temperatures, which lead to considerable economic losses.
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This page is a summary of: Solar geoengineering may lead to excessive cooling and high strategic uncertainty, Proceedings of the National Academy of Sciences, June 2020, Proceedings of the National Academy of Sciences, DOI: 10.1073/pnas.1916637117.
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