Rethinking climate engineering categorization in the context of climate change mitigation and adaptation

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Author(s) Boucher, Olivier, Forster, Piers M., Gruber, Nicolas, Ha-Duong, Minh, Lawrence, Mark G., Lenton, Timothy M., Maas, Achim, Vaughan, Naomi E.
Publication Type Journal Items, Publication Status: Published
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Title Rethinking climate engineering categorization in the context of climate change mitigation and adaptation
Author(s) Boucher, Olivier
Forster, Piers M.
Gruber, Nicolas
Ha-Duong, Minh
Lawrence, Mark G.
Lenton, Timothy M.
Maas, Achim
Vaughan, Naomi E.
Journal or Series Title Wiley Interdisciplinary Reviews Climate change
Volume Number 5
Issue Number 1
Start Page 23
End Page 35
ISSN 1757-7780
1757-7799
Publisher Wiley
Publication Place Malden
Publication Date 2014-01-01
Abstract The portfolio of approaches to respond to the challenges posed by anthropogenic climate change has broadened beyond mitigation and adaptation with the recent discussion of potential climate engineering options. How to define and categorize climate engineering options has been a recurring issue in both public and specialist discussions. We assert here that current definitions of mitigation, adaptation, and climate engineering are ambiguous, overlap with each other and thus contribute to confusing the discourse on how to tackle anthropogenic climate change. We propose a new and more inclusive categorization into five different classes: anthropogenic emissions reductions (AER), territorial or domestic removal of atmospheric CO2 and other greenhouse gases (D-GGR), trans-territorial removal of atmospheric CO2 and other greenhouse gases (T-GGR), regional to planetary targeted climate modification (TCM), and climate change adaptation measures (including local targeted climate and environmental modification, abbreviated CCAM). Thus, we suggest that techniques for domestic greenhouse gas removal might better be thought of as forming a separate category alongside more traditional mitigation techniques that consist of emissions reductions. Local targeted climate modification can be seen as an adaptation measure as long as there are no detectable remote environmental effects. In both cases, the scale and intensity of action are essential attributes from the technological, climatic, and political viewpoints. While some of the boundaries in this revised classification depend on policy and judgement, it offers a foundation for debating on how to define and categorize climate engineering options and differentiate them from both mitigation and adaptation measures to climate change.
DOI 10.1002/wcc.261
Additional Notes Article first published online 23 October 2013
Document Type Article
Publication Status Published
Language English
Assigned Organisational Unit(s) 03731
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NEBIS System Number 007428737
Source Database ID SCOPUS-84890397348
WOS-000328559200004
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@article{Bchr2014,
  author = "Boucher, Olivier and Forster, Piers M. and Gruber, Nicolas and Ha-Duong, Minh and Lawrence, Mark G. and Lenton, Timothy M. and Maas, Achim and Vaughan, Naomi E.",
  title = "{R}ethinking climate engineering categorization in the context of climate change mitigation and adaptation",
  journal = "Wiley Interdisciplinary Reviews Climate change",
  year = 2014,
  volume = "5",
  number = "1",
  pages = "23--35",
  month = jan,
}


E-Citations record created: Tue, 21 Jan 2014, 09:09:40 CET