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Evaluating climate geoengineering proposals in the context of the Paris Agreement temperature goals

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  • Mark Lawrence
  • Stefan Schafer
  • Helene Muri
  • Vivian Scott
  • Andreas Oschlies
  • Naomi Vaughan
  • Olivier Boucher
  • Hauke Schmidt
  • Jim Haywood
  • Juergen Scheffran

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https://www.nature.com/articles/s41467-018-05938-3
Original languageEnglish
JournalNature Communications
DOIs
StatePublished - 13 Sep 2018

Abstract

Current mitigation efforts and existing future commitments are inadequate to accomplish the Paris Agreement temperature goals. In light of this, research and debate are intensifying on the possibilities of additionally employing proposed climate geoengineering technologies, either through atmospheric carbon dioxide removal or farther-reaching interventions altering the Earth’s radiative energy budget. Although research indicates that several techniques may eventually have the physical potential to contribute to limiting climate change, all are in early stages of development, involve substantial uncertainties and risks, and raise ethical and governance dilemmas. Based on present knowledge, climate geoengineering techniques cannot be relied on to significantly contribute to meeting the Paris Agreement temperature goals.

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