Is climate change the culprit causing California’s wildfires?

by Larry Kummer

We’re told that climate change caused or intensified California’s wildfires — and that such fires are getting worse. As usual for such scary stories, these claims are only weakly supported by science — except for the ones that are outright fabrications.

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Girls rule(s)

by Judith Curry

The #MeToo movement is spawning considerable reflection in academia.  Here are some reflections and advice from a senior female scientist (moi) who came up through the academic system during the bad old days of the 1970’s and 1980’s, and who has mentored many young female scientists as they navigate the professional world of academia.

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The Oroville Dam 2017 Spillway Incident – Possible Causes and Solutions

by Telis Koskinas

On February 2017, Oroville Dam gained worldwide attention when its main spillway suddenly failed, seemingly without precedent, under natural operating conditions.

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Nature Unbound VI – Centennial to millennial solar cycles

by Javier

Summary: Holocene climate has been affected in different periods by several centennial to millennial solar cycles. The ~ 1000-year Eddy solar cycle seems to have dominated Holocene climate variability between 11,500-4,000 years BP, and in the last two millennia, where it defines the Roman, Medieval, and Modern warm periods. The ~ 208-year de Vries solar cycle displays strong modulation by the ~ 2400-year Bray solar cycle, both in its cosmogenic isotope signature and in its climatic effects. The Centennial, and Pentadecadal solar cycles are observable in the last 400-year sunspot record, and they are responsible for the present extended solar minimum that started in 2008.

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Causes and predictability of the exceptionally active 2017 Atlantic hurricane season

by Jim Johnstone and Judith Curry

The good news: the 2017 Atlantic hurricane season is over.  The bad news: it was an extremely active season, with substantial damage in the U.S. and the Caribbean islands. What caused this extremely active hurricane season, and was it foreseeable?

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A veneer of certainty stoking climate alarm

by Judith Curry

In private, climate scientists are much less certain than they tell the public. – Rupert Darwall

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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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