Accurately interpreting IPCC assessments

Journal article (2024)

Authors

K. Blok Energy and Industry
Mustafa Babiker Saudi Aramco
Christopher Bataille Simon Fraser University, Columbia University
Brett Cohen University of Cape Town
Aleksandra Novikova Energy and Mobility (IKEM)
Sudarmanto Budi Nugroho Institute for Global Environmental Strategies (IGES)
Daniela Anahi Toribio Ramirez Universiteit van Amsterdam
Stephanie Roe WWF-US
Masa Sugiyama University of Tokyo
Research Group
Energy and Industry
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Published Date

2024

Language

English

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Research Group

Energy and Industry

Abstract

In their Policy Forum, “The costs of ‘costless’ climate mitigation” (1 December 2023, p. 1001), M. J. Kotchen et al. assert that the greenhouse gas mitigation potential identified by the Intergovernmental Panel on Climate Change (IPCC) in its latest assessment report is larger and cheaper than what is found in widely used cost-benefit–based (as opposed to processbased) integrated assessment models such as DICE, FUND, and PAGE. They suggest that the IPCC report underestimates the costs of mitigation by excluding hidden or nonmonetary costs in various sectors. Their criticism of the IPCC assessment is unfounded.

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