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Energy Department Red Team report

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The Energy Department "Red Team" Critique of Greenhouse-Gas ... revkin.substack.com Andrew Revkin · Substack Jul 31, 2025 18 facts

claimThe Energy Department 'Red Team' report highlights the benefits of CO2, such as global greening and agricultural productivity, in Sections 2.1 and 9.

claimThe Energy Department 'Red Team' report emphasizes data-driven estimates of climate sensitivity in Section 4.3 while downplaying model-based estimates that are widely used in IPCC assessments.

claimThe Energy Department 'Red Team' report acknowledges that it does not cover all climate science topics due to time constraints, specifically omitting detailed discussions of positive feedback mechanisms like water vapor amplification.

accountThe authors of the Energy Department 'Red Team' report were selected by Secretary Christopher Wright.

claimThe Energy Department 'Red Team' report dismisses 'ocean acidification' as a misnomer in Section 2.2.1, noting that oceans remain alkaline.

claimThe Energy Department 'Red Team' report cites Denying et al. (2016) on page 16 to argue that CO2 fertilization offsets warming impacts on crop yields.

perspectiveThe Energy Department 'Red Team' report argues that United States emissions policies have minimal direct impact on global climate due to the scale of the problem.

claimThe Energy Department 'Red Team' report discusses ocean pH changes in Section 2.2, emphasizing the resilience of marine life and the recovery of the Great Barrier Reef.

claimThe Energy Department 'Red Team' report critiques the use of the RCP8.5 extreme emission scenario in mainstream climate assessments, arguing that it may exaggerate future warming projections.

claimThe Energy Department 'Red Team' report critiques Social Cost of Carbon (SCC) estimates for their sensitivity to underlying assumptions and advocates for a more nuanced approach to economic assessments.

claimThe Energy Department 'Red Team' report includes a case study on the 2021 Western North America heatwave in Section 8.6.1.

claimThe Energy Department 'Red Team' report critiques global climate models for running 'hot' in Sections 5.2-5.4, but fails to address improvements in newer models like CMIP6 or the reasons for model discrepancies such as cloud feedback parameterization.

claimThe Energy Department 'Red Team' report critiques aggressive mitigation policies in Section 11.1.

claimThe Energy Department 'Red Team' report cites the Australian Institute of Marine Science (AIMS) 2023 data regarding the rebound of the Great Barrier Reef to counter claims of widespread coral decline.

claimThe Energy Department 'Red Team' report claims that there is a lack of observable trends in extreme weather events within the United States.

claimThe Energy Department 'Red Team' report claims there are no long-term trends in U.S. extreme weather events in Sections 6.1-6.7, citing historical data.

claimThe Energy Department 'Red Team' report discusses managing risks of extreme weather in Chapter 10 and the economic impacts of climate policies in Chapter 12.

measurementThe Energy Department 'Red Team' report estimates climate sensitivity to a doubling of atmospheric carbon dioxide concentrations to be in the range of 1.8°C to 5.7°C.