Climate Fudge Factor Finally F**ked

— by Barry Brill, Chairman, NZ Climate Science Coalition

In a 2018 article “Human influence” is unquantifiable, I analysed the evidence offered by the IPCC for the most important conclusion of its AR5:

It is extremely likely that human influence has been the dominant cause of the observed warming since the mid-20th century. – (WGI 10.3–10.6, 10.9)

This seminal opinion turned out to be based upon three justifications in Section 10.3.1.1.3, all of which turned out on inspection to be based on circular reasoning: Continue Reading →

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Gavin Schmidt confirms model excursions

Gavin Schmidt asks at RealClimate: “How should one make graphics that appropriately compare models and observations?” and goes on to reconstruct John Christy’s updated comparison between climate models and satellite temperature measurements. The reconstruction was cited here by Simon in response to Gary Kerkin’s reference to Christy’s graph ( – h/t Richard Cumming, Gary Kerkin and Simon for references). Continue Reading →

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