Harvard Project on Climate Agreements · 2016

Implications of the Paris Agreement for Carbon Dioxide Removal and Solar Geoengineering

Joshua B. Horton, David W. Keith, and Matthias Honegger

The Paris Agreement (“Agreement”) has been widely lauded as a major step forward in multilateral efforts to address global climate change. Its bottom-up approach based on national pledges, its universal scope entailing substantive commitments by both developed and developing countries, its ambitious climate targets, and other aspects of the Agreement have generated extensive discussion, drawing praise from many and eliciting criticism from others (e.g., Bodansky, 2015; Gillis, 2015; Victor, 2015; Winkler, 2015). We survey the implications of the revamped climate policy regime for carbon removal and solar geoengineering, hereafter referred to using the common acronyms carbon dioxide removal (CDR) and solar radiation management (SRM). While a few analyses have examined the post-Paris role of CDR (Lewis, 2015), there has been almost no analysis of the implications for SRM. We first review the Agreement before turning to an examination of its implications for CDR and SRM.

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