Tag Archives: climate feedback

An interview with top climate scientist Bjorn Stevens

Posted on October 22, 2022 by | 205 comments

by Nic Lewis

This week Die Zeit published an interview with Bjorn Stevens. Die Zeit is the largest German weekly newspaper (circulation well over one million), and has a highly educated readership.  

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Important new paper challenges IPCC’s claims about climate sensitivity

Posted on September 20, 2022 by | 185 comments

by Nic Lewis

Official estimates of future global warming may be overstated.

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Posted in Scientific method, Sensitivity & feedbacks, Uncategorized

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Comment by Cowtan & Jacobs on Lewis & Curry 2018 and Reply: Part 2

Posted on December 20, 2019 by | 67 comments

By Nic Lewis

In an earlier article here I discussed a Comment on Lewis and Curry 2018 (LC18) by Kevin Cowtan and Peter Jacobs (CJ20), and a Reply from myself and Judith Curry recently published by Journal of Climate (copy available here). I wrote that I would defer dealing with the differences between observed and CMIP5 model-simulated historical warming, which formed the basis of CJ20’s numerical analysis, until a subsequent article. I now do so. Continue reading →

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Posted in climate models, Sensitivity & feedbacks, Uncategorized

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Gregory et al 2019: Unsound claims about bias in climate feedback and climate sensitivity estimation

Posted on October 18, 2019 by | 64 comments

By Nic Lewis

The recently published open-access paper “How accurately can the climate sensitivity to CO2 be estimated from historical climate change?” by Gregory et al.[i] makes a number of assertions, many uncontentious but others in my view unjustified, misleading or definitely incorrect.

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Posted in Sensitivity & feedbacks, Uncategorized

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