Category Archives: Uncategorized

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

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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Week in review – science edition

by Judith Curry

A few things that caught my eye this past week.

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Beto’s climate action plan

by Judith Curry

Beto O’Rourke’s Climate Change Plan deserves a close look.

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What’s the worst case? A possibilistic approach

by Judith Curry

Are all of the ‘worst-case’ climate scenarios and outcomes described in assessment reports, journal publications and the media plausible? Are some of these outcomes impossible? On the other hand, are there unexplored worst-case scenarios that we have missed, that could turn out to be real outcomes? Are there too many unknowns for us to have confidence that we have credibly identified the worst case? What threshold of plausibility or credibility should be used when assessing these extreme scenarios for policy making and risk management?

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Hurricanes and Climate Change: Attribution

by Judith Curry

Part II:  what causes variations and changes in hurricane activity?

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The most amazing greening on Earth

by Patrick J. Michaels

We’ve long been fond of showing the satellite evidence for planetary greening caused by increasing carbon dioxide, particularly the work of Zhu et al.(2016):

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The debate. Part II

by Judith Curry

Countdown to the ‘conversation’ between Mann, Titley, Moore, Curry.  Looks like you can now register for the live broadcast, for a fee of $10 [link].

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