Site: Judith Curry

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Climate Etc. is hosted by Dr Judith Curry and provides a forum for climate researchers, academics and technical experts from other fields, citizen scientists, and the interested public to engage in a discussion on topics related to climate science and the science-policy interface.

She is Professor and Chair of the School of Earth and Atmospheric Sciences at the Georgia Institute of Technology and President (co-owner) of Climate Forecast Applications Network (CFAN). She received a Ph.D. in Geophysical Sciences from the University of Chicago in 1982. Prior to joining the faculty at Georgia Tech, she held faculty positions at the University of Colorado, Penn State University and Purdue University. She currently serves on the NASA Advisory Council Earth Science Subcommittee and the DOE Biological and Environmental Science Advisory Committee, and has recently served on the National Academies Climate Research Committee and the Space Studies Board, and the NOAA Climate Working Group. She is a Fellow of the American Meteorological Society, the American Association for the Advancement of Science, and the American Geophysical Union.

Recent Articles

Judith Curry: Manufacturing consensus: the early history of the IPCC

by Judith Curry Short summary: scientists sought political relevance and allowed policy makers to put a big thumb on the scale of the scientific assessment of the attribution of climate change. Bernie Lewin has written an important new book: SEARCHING …

2018-01-03 15:56   Click to comment

Judith Curry: Looking forward to 2018

by Judith Curry Happy New Year everyone!  My ‘prognostications’, hopes and goals for 2018. Well 2017 was quite a year, as the U.S. and rest of the world adapted to President Trump.  It was quite a year for me personally …

2018-01-01 18:57   Click to comment

Judith Curry: Week in review

by Judith Curry A few things that have caught my eye these past weeks. In a somewhat futile attempt at information management, I’m doing some ‘house cleaning’ of my online files, so that I have a fresh start for the …

2017-12-31 16:18   Click to comment

Judith Curry: JC’s (un)motivated reasoning

by Judith Curry “I think open explorations of the ideological assumptions scientists bring into policy debates are not only welcome but often necessary for having productive conversations.” – Aaron Huertas Over the Xmas holiday, I got involved in a wide …

2017-12-28 17:27   Click to comment

Judith Curry: Reply to Patrick Brown’s response to comments on his Nature article

by Nic Lewis My reply to Patrick Brown’s response to my my comments on his Nature article. Introduction I thank Patrick Brown for his detailed response (also here) to statistical issues that I raised in my critique “Brown and Caldeira: …

2017-12-24 23:33   Click to comment

Judith Curry: Forgone benefits of disruption to nuclear power since late-1960’s

by Peter Lang Could the costs of nuclear power have been 10% of what they are if not for the disruption? A new paper, Nuclear Power Learning and Deployment Rates: Disruption and Global Benefits Forgone [1], finds that nuclear power …

2017-12-22 03:35   Click to comment

Judith Curry: Greater future global warming (still) predicted from Earth’s recent energy budget

by Patrick Brown A response to Nic Lewis’ post A closer look shows global warming will not be greater than we thought. We recently published a paper in Nature in which we leveraged observations of the Earth’s radiative energy budget to …

2017-12-21 17:59   Click to comment

Judith Curry: Long-range predictability of seasonal Atlantic hurricane activity

by Jim Johnstone and Judith Curry Climate Forecast Applications Network (CFAN) has identified new early precursors for seasonal Atlantic hurricane activity that involve systematic, repeating interactions among ENSO, stratospheric circulations and regional North Atlantic processes. Introduction Forecasts in December for …

2017-12-20 17:00   Click to comment

Judith Curry: Brown and Caldeira: A closer look shows global warming will not be greater than we thought

by Nic Lewis A critique of a recent paper by Brown and Caldeira published in Nature that predicted greater than expected global warming. Last week a paper predicting greater than expected global warming, by scientists Patrick Brown and Ken Caldeira, …

2017-12-15 19:44   Click to comment

Judith Curry: The cost of displacing fossil fuels: some evidence from Texas

by Peter Hartley Although technological progress can alter the relative costs of different energy sources, depletion inevitably must raise the costs of fossil fuels leading to their displacement by alternative energy sources. What energy technology will likely be used when …

2017-12-14 14:30   Click to comment

Judith Curry: 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 …

2017-12-13 15:30   Click to comment

Judith Curry: 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 …

2017-12-11 03:11   Click to comment

Judith Curry: 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. While thankfully no casualties were caused by this incident, its direct and indirect effects will be …

2017-12-09 22:49   Click to comment

Judith Curry: 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 …

2017-12-02 19:09   Click to comment

Judith Curry: 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 …

2017-11-30 22:17   Click to comment

Judith Curry: 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 Rupert Darwall has written a tour-de-force essay “A Veneer of Certainty Stoking Climate Alarm“, which has been published by CEI [link …

2017-11-29 17:14   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. “The study’s authors estimate groundwater depletion in the United States could be responsible for releasing 1.7 million metric tons (3.8 billion pounds) of carbon dioxide to the …

2017-11-19 15:33   Click to comment

Judith Curry: The coming global demographic imbalance

by Judith Curry National security implications of the rapidly changing global population dynamic. Earlier this week, Peter Webster made a presentation at the National Security Forum on The coming global demographic imbalance [link] to the ppt presentation. Below is the …

2017-11-14 15:53   Click to comment

Judith Curry: Steve Koonin: A Deceptive New Report on Climate

by Judith Curry Red-teaming the the U.S. government’s Climate Science Special Report on the topic of sea level rise. Steve Koonin as a new op-ed in the WSJ:  A Deceptive New Report on Climate.  that clarifies the need for a …

2017-11-03 14:11   Click to comment

Judith Curry: Stanford Prof sues scientists who criticized him – demands $10M

by Judith Curry Mannian litigation gone wild. — Steve McIntyre Details given by Michael Schellenberger in Environmental Progress: Stanford University professor Mark Z. Jacobson has filed a lawsuit, demanding $10 million in damages, against the peer-reviewed scientific journal Proceedings of the …

2017-11-02 01:37   Click to comment

Judith Curry: Trying to Make Sense of Musk Love and Solar Hype

By Planning Engineer Considerable efforts are being undertaken to restore power in Puerto Rico. Most coverage has been pessimistic focusing on challenging logistics and contentious issues with very little upbeat coverage on progress so far. There is one major exception …

2017-10-27 15:58   Click to comment

Judith Curry: Campus insanity versus freedom of speech

by Judith Curry The aim of education is to make people think, not spare them from discomfort. – Robert Zimmer Campus craziness In case you haven’t been following this issue, there have been some disturbing events and trends in the …

2017-10-22 00:55   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. Did a slower AMOC 12,000 yrs ago contribute to increased hurricane intensity? [link] Low-Frequency Climate Modes and Antarctic Sea Ice Variations, 1982-2013 [link]  Understanding the detectability of …

2017-10-07 17:54   Click to comment

Judith Curry: JC interview: hurricanes and global warming

by Judith Curry My recent interview with David Whitehouse of the Global Warming Policy Foundation on Hurricanes Harvey and Irma and the link with global warming. The video of the interview: Transcript: DW:  First of all – do we understand …

2017-10-06 20:08   Click to comment

Judith Curry: Are Climate Models Overstating Warming?

by Ross McKitrick A number of authors, including the IPCC, have argued that climate models have systematically overstated the rate of global warming in recent decades. A recent paper by Millar et al. (2017) presented the same finding in a …

2017-09-26 18:09   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. Concepts for dealing with complexity of weather and climate. [link] Nature: Halfway to doubling of CO₂ radiative forcing (3.7W/m²), but doubling CO₂ ppm comes later due to log …

2017-09-24 16:32   Click to comment

Judith Curry: Week in review – science and policy edition

by Judith Curry A few things that caught my eye this past week. New J.Clim paper: hi res model finds fewer but stronger, wetter, and larger tropical cyclones with global warming [link]  … PNAS:  the biosphere has become less constrained by …

2017-09-16 14:42   Click to comment

Judith Curry: Nature Unbound V – The elusive 1500-year Holocene cycle

by Javier The existence of a 1500-year climatic cycle during the Holocene, related to the glacial Dansgaard-Oeschger cycle, is a matter of intense debate. However, by introducing precise timing requirements it can be shown that the 1500-year cycle displayed in …

2017-09-15 17:07   Click to comment

Judith Curry: Hurricane Irma eyes Florida

by Judith Curry Cat 5 Hurricane Irma is one for the record books; it’s eye is on Florida. ___________ Summary Major Hurricane Irma is predicted to strike the SW coast of Florida as a Cat 4 early Sun a.m., with …

2017-09-08 15:43   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. Modulation of the seasonal cycle of Antarctic sea ice extent related to the Southern Annular Mode [link] Extreme warming in the Kara Sea and Barents Sea during …

2017-09-02 18:41   Click to comment


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