US Department of Energy report eviscerates the climate alarmist narrative
At the end of July, the US Department of Energy released a draft report evaluating existing peer-reviewed literature on the impacts of greenhouse gases. It eviscerates the climate alarmists’ narrative about CO2, extreme weather events and r

At the end of July, the US Department of Energy released a draft report evaluating existing peer-reviewed literature on the impacts of greenhouse gases.
It eviscerates the climate alarmists’ narrative about CO2, extreme weather events and rising sea levels. It also points out the data limitations, climate model deficiencies and overstated scenarios and trends used to create “exaggerated projections of future warming.”
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On 29 July, the US Department of Energy (“DoE”) released a draft report titled ‘A Critical Review of Impacts of Greenhouse Gas Emissions on the U.S. Climate’. The report evaluates existing peer-reviewed literature and government data on climate impacts of greenhouse gas emissions and provides a critical assessment of the conventional narrative on climate change.
It was developed by the 2025 Climate Working Group, a group of five independent scientists assembled by Energy Secretary Chris Wright, with expertise in physical science, economics, climate science and academic research. The reports’ authors are John Christy, Judith Curry, Steven Koonin, Ross McKitrick and Roy Spencer.
Key findings include the conclusion that CO2-induced warming appears to be less damaging economically than commonly believed, and that aggressive mitigation strategies may be misdirected or potentially more harmful than beneficial. It also finds that US policy actions are expected to have undetectably small direct impacts on the global climate, with any effects emerging only after long delays.
It asserts that claims of increased frequency or intensity of hurricanes, tornadoes, floods and droughts are not supported by US historical data. And acknowledges that elevated CO2 concentrations enhance plant growth and contribute to global greening, while also noting the reduction in ocean alkalinity.
Anthony Watts has described the report as a “landmark challenge to the status quo” and a “systematic rebuke of accepted climate “wisdom.” It’s worth reading Watts’ article in full (read HERE).
Watts also noted some of the reactions to the report from climate alarmists. For example, RealClimate started a thread calling the report an “attempt to rescind the 2009 Endangerment Finding for greenhouse gas emissions.” One commentator responded, “[It] is an ACT OF WAR against the human species by the fossil fuel industry.”
The DoE is currently accepting public comments on the draft report, with a deadline of 2 September 2025. In the press release inviting public comment, Wright said, “The rise of human flourishing over the past two centuries is a story worth celebrating. Yet we are told – relentlessly – that the very energy systems that enabled this progress now pose an existential threat.”
“Climate change is real, and it deserves attention. But it is not the greatest threat facing humanity. As someone who values data, I know that improving the human condition depends on expanding access to reliable, affordable energy,” he added.
The next section of this article is the overview of the report, as published on the notice that the report is open for public comment.
Further reading:
- Climate, US Department of Energy, 29 July 2025
- US Dept Of Energy Climate Report Eviscerates The Climate Changed Extreme Weather Narrative, Jamie Jessop, 31 July 2025
Overview of the Climate Working Group Report
The report reviews scientific certainties and uncertainties in how anthropogenic carbon dioxide (CO2) and other greenhouse gas emissions have affected, or will affect, the Nation’s climate, extreme weather events, and selected metrics of societal well-being. Those emissions are increasing the concentration of CO2 in the atmosphere through a complex and variable carbon cycle, where some portion of the additional CO2 persists in the atmosphere for centuries.
Elevated concentrations of CO2 directly enhance plant growth, globally contributing to “greening” the planet and increasing agricultural productivity. They also make the oceans less alkaline (lower the pH). That is possibly detrimental to coral reefs, although the recent rebound of the Great Barrier Reef suggests otherwise.
Carbon dioxide also acts as a greenhouse gas, exerting a warming influence on climate and weather. Climate change projections require scenarios of future emissions. There is evidence that scenarios widely-used in the impacts literature have overstated observed and likely future emission trends.
The world’s several dozen global climate models offer little guidance on how much the climate responds to elevated CO2, with the average surface warming under a doubling of the CO2 concentration ranging from 1.8 °C to 5.7 °C. Data-driven methods yield a lower and narrower range. Global climate models generally run “hot” in their description of the climate of the past few decades. The combination of overly sensitive models and implausible extreme scenarios for future emissions yields exaggerated projections of future warming.
Most extreme weather events in the US do not show long-term trends. Claims of increased frequency or intensity of hurricanes, tornadoes, floods, and droughts are not supported by US historical data. Additionally, forest management practices are often overlooked in assessing changes in wildfire activity. Global sea level has risen approximately 8 inches since 1900, but there are significant regional variations driven primarily by local land subsidence; US tide gauge measurements in aggregate show no obvious acceleration in sea level rise beyond the historical average rate.
Attribution of climate change or extreme weather events to human CO2 emissions is challenged by natural climate variability, data limitations, and inherent model deficiencies. Moreover, solar activity’s contribution to the late 20th century warming might be underestimated.
Both models and experience suggest that CO2-induced warming might be less damaging economically than commonly believed, and excessively aggressive mitigation policies could prove more detrimental than beneficial. Social Cost of Carbon estimates, which attempt to quantify the economic damage of CO2 emissions, are highly sensitive to their underlying assumptions and so provide limited independent information.
US policy actions are expected to have undetectably small direct impacts on the global climate and any effects will emerge only with long delays.
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