2024 was the hottest year on record. Could that change how policymakers think about SRM? How might the new administration in the US approach SRM? Do experts think countries will effectively develop international SRM regulations? We discuss a recent paper examining the topic, and find that the outlook is not optimistic. We also discuss another recent study which found that although SAI would cause some deaths, implementing SAI could still save hundreds of thousands of lives for every 1 degree C of cooling, thanks to its reduction in climate change-caused heat-related deaths. Finally, we explore a new book chapter on Cirrus cloud thinning, and answer a question from our listeners.

To discuss the latest SRM news, Climate Reflections Host Pete Irvine is joined by Blaž Gasparini, a Senior Scientist at the University of Vienna in Austria, and an expert in Cirrus clouds, Claudia Wieners, an Assistant Professor in Climate Physics at Utrecht University in the Netherlands studying the impacts of Stratospheric Aerosol Injection (SAI) on Atlantic circulation, and Shuchi Talati, a climate technology governance expert and founder and Executive Director of the Alliance for Just Deliberation on Solar Geoengineering.

Climate Reflections is a production of SRM360, a non-profit knowledge hub supporting an informed, evidence-based discussion of sunlight reflection methods. For more information and the latest research on SRM, visit SRM360.org.

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