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DOE

Time and Tide Gauges wait for no Voortman

18 Sep 2025 by Gavin 58 Comments

Here we go again. An obscure, methodologically poor, paper published with little to no review makes a convenient point and gets elevated into supposedly ‘blockbusting’ science by the merchants of bullshit, sorry, doubt. Actual scientists drop everything to respond, but not before the (convenient) nonsense has spread widely. Rebuttals are written and submitted, but by the time they are published everyone has moved on.

[Read more…] about Time and Tide Gauges wait for no Voortman

Filed Under: Climate Science, Featured Story, In the News, Instrumental Record, Oceans, Sea level rise, skeptics Tagged With: DOE, Endangerment Finding, sea level rise

Lil’ NAS Express

17 Sep 2025 by group 47 Comments

The fast-tracked update of the 2009 EPA Endangerment finding from the National Academies for Science, Engineering and Medicine (NASEM), has now been released.

[Read more…] about Lil’ NAS Express

Filed Under: Climate impacts, Climate Science, Featured Story, Greenhouse gases, In the News, Instrumental Record Tagged With: DOE, Endangerment Finding

Climate Scientists response to DOE report

2 Sep 2025 by Gavin 71 Comments

As we’ve mentioned, Andrew Dessler and Robert Kopp have been coordinating a scientific peer review of the DOW ‘CWG’ Critique of Climate Science. It is now out.

[Read more…] about Climate Scientists response to DOE report

Filed Under: Arctic and Antarctic, Carbon cycle, Climate impacts, Climate modelling, Climate Science, Featured Story, Greenhouse gases, Hurricanes, Instrumental Record, IPCC, Model-Obs Comparisons, Scientific practice, Sea level rise, Sun-earth connections Tagged With: CWG, DOE, Endangerment Finding

Critique of Chapter 6 “Extreme Weather” in the DOE review

2 Sep 2025 by group 60 Comments

Guest commentary by Kerry Emanuel

Executive Summary

Chapter 6 of the draft DOE report examines whether global warming exacerbates extreme weather. It rightly notes that because events such as hurricanes are rare, detecting their response to climate change in short and imperfect historical records is extremely difficult—if not impossible. Yet the authors devote most of the remainder of the chapter to attempting just that. By omitting to frame such efforts in the context of theory and models, they commit three fundamental errors: 1) searching for trends where none were predicted, 2) neglecting important variables for which trends were predicted and 3) overlooking—or failing to acknowledge—that some predicted trends are of a magnitude that is not a priori detectable in existing noisy and short data sets. The draft report also overlooks recent literature on climate change effects on weather extremes, and quotes selectively and misleadingly from the most recent report of the Intergovernmental Panel on Climate Change (IPCC). For these reasons, I find much of Chapter 6 to be of questionable utility. There are at least three climate change-induced trends in hurricane-related hazards that were predicted theoretically, simulated by models, and confirmed by observations:

  1. Hurricanes are producing more rain, causing increased flooding. As water, not wind, is the source of most damage and mortality in hurricanes, this is the most consequential scientific finding.
  2. The proportion of hurricanes that reach high intensity is increasing.
  3. Hurricanes are intensifying more rapidly.

There is no robust scientific finding that hurricane frequency is increasing or expected to increase. Thus, much of Chapter 6 of the DOE report is devoted to refuting a hypothesis unsupported by scientific consensus. The short section on tornadoes does not include other more destructive aspects of severe convective storms, such as hail and damaging straight-line winds, and as with the section on hurricanes, omits inferences from theory and models.

[This commentary is also available as a pdf file]

[Read more…] about Critique of Chapter 6 “Extreme Weather” in the DOE review

Filed Under: Climate Science, Featured Story, Greenhouse gases, Hurricanes, In the News, Instrumental Record, IPCC Tagged With: CWG, DOE, Endangerment Finding

Critiques of the ‘Critical Review’

14 Aug 2025 by group 285 Comments

The first somewhat comprehensive reviews of the DOE critical review are now coming online.

[Read more…] about Critiques of the ‘Critical Review’

Filed Under: Climate impacts, Climate modelling, Climate Science, Communicating Climate, Featured Story, Greenhouse gases, In the News, Instrumental Record, Model-Obs Comparisons, Reporting on climate, skeptics Tagged With: climate change, DOE, Endangerment Finding, EPA

The Endangerment of the Endangerment Finding?

29 Jul 2025 by group

The EPA, along with the “Climate Working Group” (CWG) of usual suspects (plus Judith Curry and Ross McKitrick) at DOE, have just put out a document for public comment their attempt to rescind the 2009 Endangerment Finding for greenhouse gas emissions.

[Read more…] about The Endangerment of the Endangerment Finding?

Filed Under: Climate impacts, Climate modelling, Climate Science, Featured Story, Greenhouse gases, In the News, Instrumental Record, IPCC, Model-Obs Comparisons, Reporting on climate Tagged With: DOE, Endangerment Finding, EPA

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  • Unforced variations: Oct 2025
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  • Time and Tide Gauges wait for no Voortman
  • Lil’ NAS Express
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  • Climate Scientists response to DOE report

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