Geoengineering Our Climate Working Paper and Opinion Article Series · 2013

Solar Geoengineering and the Problem of Liability

Joshua B. Horton, Andrew Parker, David Keith

The prospect of solar geoengineering, or methods of reducing incoming solar radiation in order to offset the effects of climate change, raises a number of significant governance challenges that are likely to be far more difficult to overcome than the technical barriers to development. Who decides when to use solar geoengineering? Who decides when to test it? How should these decisions be made? What climatic targets should guide an intervention? How should geoengineering be tied to mitigation and adaptation? What if something goes wrong?

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