Solar Radiation Management as a Climate Intervention: An Extended Q&A from the RFF Live Webinar

[Andrew Lockley]

https://www.resourcesmag.org/common-resources/solar-radiation-management-climate-intervention-extended-q-rff-live-webinar/

Solar Radiation Management as a Climate Intervention: An Extended Q&A from the RFF Live Webinar

Joseph E. Aldy and Richard Zeckhauser

Joseph E. Aldy and Richard Zeckhauser, both professors at the Harvard Kennedy School, document that the world’s single-minded focus on solely reducing emissions has failed to meaningfully address climate change. Drawing on their recent research, Aldy and Zeckhauser argue that adding adaptation and amelioration strategies to existing emissions mitigation efforts is necessary if extreme losses to climate change are to be avoided. The principal amelioration strategy they consider is solar radiation management (SRM).

With this Q&A article, Aldy and Zeckhauser answer the questions about solar radiation management that attendees asked at a recent related RFF Live webinar. (Available here are the slides from their presentation.) These questions could not be addressed live, due to time constraints. Some questions have been edited for clarity and length. In the Q&A below, event attendee questions appear in bold text, and responses from Joseph E. Aldy and Richard Zeckhauser appear in ordinary text. The questions are clustered under topic headings, which are bold and in italics.

[Stephen Salter]

Hi All

Joseph Aldy and Richard Zeckhauser say that marine cloud brightening is a 'local-scale measure'. People from the Harvard Kennedy School have previously raised the objection that it has heterogeneous results.

The attached note discusses this and suggests that local-scale treatment of the Indian Ocean dipole could adjust the balance between floods in Kenya and bushfires in Australia. It might also save Arctic ice without making Scottish winters too much worse but leaving Norwegians snow to ski on.

It would be useful to get a similar collection of temperature and precipitation maps for stratospheric aerosol if anyone can send them to me. 

Stephen

Emeritus Professor of Engineering Design. School of Engineering, University of Edinburgh, Mayfield Road, Edinburgh EH9 3DW, Scotland S.Sa...@ed.ac.uk, Tel +44 (0)131 662 1180 WWW.homepages.ed.ac.uk/shs, YouTube Jamie Taylor Power for Change

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