IPCC Expert Meeting on Geoengineering

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Annex 5: Breakout Group Reports AR5 authors might also wish to consider assessment of research on the social acceptability of CDR, in terms of research on CDR and later deployment). <strong>IPCC</strong> <strong>Expert</strong> <strong>Meeting</strong> on Geoengineering - 87
Annex 5: Breakout Group Reports Breakout Group III.1: Solar Radiation Management in the Working Group Contributions to the <strong>IPCC</strong> AR5 Chair: Scott Barrett Rapporteur: Naomi Vaughan The summary that follows, written by the Chair and Rapporteur, characterizes the main points of the BOG III.1 discussion. It may not reflect the personal views of the BOG’s Chair and Rapporteur. The summary is intended for consideration by <strong>IPCC</strong> authors of the Fifth Assessment Report (AR5), but is neither endorsed nor approved by the <strong>IPCC</strong> or its Working Groups. Participants in the BOG considered a series of questions related to geoengineering research, developed by the meeting’s Scientific Steering Group. Questions suggested for discussion: Where might each of the important Solar Radiation Management approaches and issues be evaluated within the <strong>IPCC</strong> AR5 (i.e., in which Working Group contribution and in which chapters)? Where might it be best to cover cross-cutting issues that do not neatly fall within one chapter or one Working Group’s contribution? Are there some aspects of SRM that require expertise that is missing from the author teams of Working Group I, II and III? Are there other things the author teams can do to improve their ability to develop a high quality assessment? What geoengineering-related glossary terms might the AR5 include? For those terms, what might the corresponding entries be? Introduction The discussions in this BOG focused on where important Solar Radiation Management (SRM) approaches and issues might be evaluated within the <strong>IPCC</strong>’s AR5 and where certain cross-cutting issues might be best covered. The discussions addressed the first two questions listed above but did not cover the last two questions. Where should SRM be covered in the AR5? BOG participants suggested that SRM should be covered in all Working Groups and treated consistently across them. Participants thought that the flow chart presented in plenary by one of the keynote speakers could be a useful framework for all Working Groups to reference (see Figure A.5.2). However, it was noted that in the framework all SRM proposals were grouped together and had an influence on ‘radiative forcing’; a possible alternative is to have an influence on ‘impacts’. <strong>IPCC</strong> <strong>Expert</strong> <strong>Meeting</strong> on Geoengineering - 88
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Cover photo courtesy of Edgar Asenc
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This Meeting Repor
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Table of Contents Preface .........
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Summary of the Synthesis Report 1.
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Summary of the Synthesis Report
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