Pre-programmed, puppet AI is poo-pooing this report, obviously!

Critical Review of Impacts of Greenhouse Gas Emissions on the U.S. Climate is a draft report released by the U.S. Department of Energy (DOE) on July 29, 2025, evaluating the scientific and economic impacts of greenhouse gas (GHG) emissions on the U.S. climate.  The report was developed by the 2025 Climate Working Group (CWG), a panel of five independent scientists handpicked by Energy Secretary Chris Wright—John Christy, Judith Curry, Steven Koonin, Ross McKitrick, and Roy Spencer—all known for challenging mainstream climate science consensus. 

Key Findings from the DOE Report

• CO₂-induced warming is less damaging economically than commonly believed, and aggressive mitigation policies could be more harmful than beneficial. 
• U.S. policy actions are expected to have undetectably small direct impacts on global climate, with effects emerging only after long delays. 
• Claims of increased frequency or intensity of hurricanes, tornadoes, floods, and droughts are not supported by U.S. historical data. 
• Global sea level rise has been approximately 8 inches since 1900, but no clear acceleration has been observed in U.S. tide gauge data. 
• Climate models overestimate warming, with a wide range of climate sensitivity (1.8°C to 5.7°C for CO₂ doubling), and many models run “hot” compared to observed temperatures. 
• Elevated CO₂ levels enhance plant growth and contribute to global “greening,” with ocean acidification within natural variability on millennial scales—though this claim is contested. 

Scientific and Political Reactions

The report has drawn widespread criticism from mainstream climate scientists, who argue it fails to meet scientific standards and reflects political bias rather than objective science.  An international group of 85 scientists, led by Andrew Dessler and Robert Kopp, published a 434-page rebuttal titled Climate Experts’ Review of the DOE Climate Working Group Report, accusing the DOE report of:

• Cherry-picking data
• Misrepresenting scientific citations
• Downplaying risks of extreme weather, wildfires, and health impacts
• Underestimating climate sensitivity and the role of human emissions 

The National Academies of Sciences, Engineering, and Medicine released a separate report in September 2025, affirming that human-caused greenhouse gas emissions are unequivocally harming U.S. climate, health, and welfare, and that the 2009 EPA endangerment finding remains scientifically sound. 

Public Engagement and Policy Context

The DOE opened a public comment period on the draft report, which closed on August 1, 2025.  The report was released alongside the EPA’s proposed rule to rescind the 2009 GHG Endangerment Finding, signaling a broader policy shift to downplay climate risks.  The report has been described as a “red team” critique, lacking a “blue team” to balance its views, raising concerns about scientific integrity. 

Conclusion

While the DOE report presents a contrarian perspective on climate change impacts and policy, it is not representative of the scientific consensus.  The overwhelming body of evidence from peer-reviewed research, international assessments (like the IPCC), and independent scientific institutions supports the conclusion that human-driven climate change poses significant and growing risks to the U.S. and global systems.

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