Explaining the Discrepancies Between Hausfather et al. (2019) and Lewis&Curry (2018)

Reposted from Dr. Judith Curry’s Climate Etc. by Ross McKitrick Challenging the claim that a large set of climate model runs published since 1970’s are consistent with observations for the right reasons. Introduction Zeke Hausfather et al. (2019) (herein ZH19) examined a large set of climate model runs published since the 1970s and claimed they…

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Two more degrees by 2100!

From Dr Judith Curry’s Climate Etc. Posted on December 27, 2019 by curryja | by Vaughan Pratt An alternative perspective on 3 degrees C? This post was originally intended as a short comment questioning certain aspects of the methodology in JC’s post of December 23, “3 degrees C?”. But every methodology is bound to have…

Oreskes Vs. Oreskes

By Rud Istvan, edited by Charles Rotter WUWT reader Max alerted us to a 1994 Naomi Oreskes et. al. paper published in the prestigious journal Science. Her paper was a critical analysis of Earth Science numerical models. I asked Rud to take a look, since he had previously written on climate models both here and…

Climate Models Have Not Improved in 50 Years

Guest “how can he write this with straight face?” by David Middleton Even 50-year-old climate models correctly predicted global warmingBy Warren Cornwall Dec. 4, 2019 Climate change doubters have a favorite target: climate models. They claim that computer simulations conducted decades ago didn’t accurately predict current warming, so the public should be wary of the…

How Much Sun Could A Sunshine Shine?

Guest Post by Willis Eschenbach It has been pointed out that while many of the global climate models (GCMs) are not all that good at forecasting future climate, they all do quite well at hindcasting the 20th-century global temperature anomaly [edited for clarity – w.]. Curious, that. So I was interested in a paper from…