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Category: IPCC

  • climate models IPCC Oceans
    March 9, 2026

    Is ocean warming accelerating faster than thought?

    by Nic Lewis *** UPDATE : response to comments by Zeke Hausfather appended There are a number of statements in… Read more.

  • climate models IPCC Sensitivity & feedbacks
    March 9, 2026

    Climate sensitivity to cumulative carbon emissions

    By Nic Lewis An observational estimate of transient (multidecadal) warming relative to cumulative CO2 emissions is little over half that… Read more.

  • climate models IPCC
    March 9, 2026

    Remarkable changes to carbon emission budgets in the IPCC Special Report on Global Warming of 1.5C

    by Nic Lewis A close reading of Chapters 1 and 2 of the IPCC Special Report on Global Warming of… Read more.

  • IPCC
    March 9, 2026

    1.5 degrees

    by Judith Curry The IPCC Special Report on Global Warming of 1.5C  is now published [link]. Read more.

  • Attribution Consensus IPCC Sociology of science
    March 9, 2026

    Manufacturing consensus: the early history of the IPCC

    by Judith Curry Short summary: scientists sought political relevance and allowed policy makers to put a big thumb on the… Read more.

  • IPCC
    March 9, 2026

    IPCC in transition

    by Judith Curry Will Pachauri’s karma run over IPCC’s dogma? – Peter Foster Read more.

  • Attribution Communication IPCC
    March 9, 2026

    ‘Most’ versus ‘more than half’ versus ‘> 50%’

    by Judith Curry Seeking once again to clarify the problems in communicating the IPCC climate change attribution statements. Read more.

  • Consensus IPCC Sociology of science
    March 9, 2026

    Groups and herds: implications for the IPCC

    by Judith Curry Group failures often have disastrous consequences—not merely for businesses, nonprofits, and governments, but for all those affected… Read more.

  • IPCC
    March 9, 2026

    Politicizing the IPCC report

    by Judith Curry UK Energy and Climate Change Committee report on IPCC AR5 – another pointless exercise in circular reasoning,… Read more.

  • IPCC
    March 9, 2026

    U.S. House Hearing on the IPCC Process

    by Judith Curry The U.S. House of Representatives Committee on Science, Space & Technology is holding a Hearing today at… Read more.

  • IPCC
    March 9, 2026

    IPCC: Functional stupidity?

    by Judith Curry Our point is that the IPCC has bought into a very specific framing of “the problem” that… Read more.

  • IPCC Skeptics
    March 9, 2026

    Lennart Bengtsson speaks out

    by Judith Curry The whole concept behind IPCC is basically wrong. – Lennart Bengtsson Read more.

  • IPCC
    March 9, 2026

    IPCC TAR and the hockey stick

    by Judith Curry Regarding the Hockey Stick of IPCC 2001 evidence now indicates, in my view, that an IPCC Lead Author… Read more.

  • IPCC
    March 9, 2026

    Stavins and Tol on IPCC WG3

    by Judith Curry Many of the more worrying impacts of climate change really are symptoms of mismanagement and underdevelopment. –… Read more.

  • IPCC
    March 9, 2026

    UK Parliamentary Hearing on the IPCC

    by Judith Curry A fascinating hearing on the IPCC was held today by the UK Parliament Energy and Climate Climate… Read more.

  • IPCC
    March 9, 2026

    UK Parliament: IPCC 5th Assessment Review

    by Judith Curry The UK House of Commons Energy and Climate Change Committee has invited submissions to an inquiry on… Read more.

  • IPCC Scientific method
    March 9, 2026

    Mutually Assured Delusion (MAD)

    by Judith Curry Groupthink:   A pattern of thought charaterized by self-deception, forced manufacture of consent, and conformity to group… Read more.

  • IPCC
    March 9, 2026

    IPCC: fit for its purpose?

    The IPCC is showing typical signs of middle age, including weight gain, a growing rigidity of viewpoint, and overconfidence in… Read more.

  • climate models IPCC
    March 9, 2026

    Spinning the climate model – observation comparison: Part II

    by Judith Curry IPCC model global warming projections have done much better than you think. – Dana Nuccitelli Read more.

  • IPCC
    March 9, 2026

    Negotiating the IPCC SPM

    by Judith Curry A fascinating look at the how the deliberations in Stockholm influenced the final IPCC AR5 WG1 Summary… Read more.

  • IPCC Solar
    March 9, 2026

    IPCC: solar variations don’t matter

    Nevertheless, even if there is such decrease in the solar activity, there is a high confidence that the TSI RF variations… Read more.

  • Attribution IPCC
    March 9, 2026

    IPCC’s pause ‘logic’

    by Judith Curry Well here it is, the pause discussion is buried in Box 9.2 of the IPCC Working Group… Read more.

  • IPCC Policy Scientific method
    March 9, 2026

    IPCC diagnosis – permanent paradigm paralysis

    by Judith Curry Diagnosis: paradigm paralysis, caused by motivated reasoning, oversimplification, and consensus seeking; worsened and made permanent by a… Read more.

  • Attribution IPCC
    March 9, 2026

    95% (?)

    Ok, it is now official: “The long-term climate model simulations show a trend in global-mean surface temperature from 1951 to 2012… Read more.

  • IPCC
    March 9, 2026

    Five critical questions for the IPCC

    by Judith Curry If you had the opportunity to ask 5 critical questions for the IPCC, what would you ask? Read more.

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