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: Science Marchers, Secretary Perry’s Memo and Bill Nye’s Optimism

By Planning Engineer On April 14th, 2017 Rick Perry wrote a memo headed “STUDY EXAMINING ELECTRICITY MARKETS AND RELAIBILITY” calling for study to investigate how long term energy trends my impact the grid. My “sciencey” friends on social media are …

2017-04-24 19:52   Click to comment

Judith Curry: How hurricanes replenish their vast supply of rain water

by Makarieva A.M., Gorshkov V.G., Nefiodov A.V., Chikunov A.V., Sheil D., Nobre A.D., Li B.-L. New questions and ideas about hurricanes and their power. Predicting the intensity of tropical cyclones, hurricanes and typhoons is a recognized challenge. We are grateful to …

2017-04-23 19:26   Click to comment

Judith Curry: Untangling the March for Science

by Judith Curry Pondering some thorny issues regarding science, its place in society and its relationship to politics. Well today is the much-hyped March for Science. Last month I wrote a post Exactly what are scientists marching for?  Since my previous …

2017-04-22 19:30   Click to comment

Judith Curry: A ‘Red Team’ Exercise Would Strengthen Climate Science

by Judith Curry Put the ‘consensus’ to a test, and improve public understanding, though an open and adversarial process. – Steve Koonin Steve Koonin has an op-ed published today in the Wall Street Journal:  A ‘Red Team’ Exercise Would Strengthen Climate …

2017-04-21 16:23   Click to comment

Judith Curry: How inconstant are climate feedbacks – and does it matter?

by Nic Lewis Kyle Armour has a new paper out in Nature Climate Change: “Energy budget constraints on climate sensitivity in light of inconstant climate feedbacks”. Its two key claims are: “global climate models robustly show that feedbacks vary over …

2017-04-18 13:37   Click to comment

Judith Curry: Discussion thread: reactions to House Hearing

by Judith Curry Climate Feedback has interviewed a number of scientists regarding the recent House Hearing on climate science. The article:  Scientists reactions to the US House Science Committee hearing on climate science. The scientists that were interviewed:  James Renwick, …

2017-04-15 16:33   Click to comment

Judith Curry: The politics of knowledge

by Judith Curry One needs to ask good questions about whose claims to trust and why. – Sheila Jasanoff Sheila Jasanoff has a new essay, entitled What Should Democracies Know? that provides some interesting perspective on ‘alt-facts’, etc. Excerpts: The “post-truth,” “alt-fact,” …

2017-04-12 20:32   Click to comment

Judith Curry: Bullying as scientific misconduct

by Judith Curry Updated AGU Ethics Policy available for member comment.  Proposed new language identifies harassment and bullying as scientific misconduct. From AGU News:  Updated AGU Ethics Policy Available for Member Comment.  Excerpts: The current policy is silent on the …

2017-04-10 00:08   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. Freshening of the Labrador Sea as a trigger for Little Ice Age development [link]  Twentieth-century Trends in the Annual Cycle of Temperature across the Northern Hemisphere [link] …

2017-04-08 16:54   Click to comment

Judith Curry: A beneficial climate change hypothesis

by Rud Istvan A novel hypothesis on the role of CO2 in the technological transition from hunter/gatherers to sedentary agriculture. This guest post has been formulating for several weeks. It summarizes a fascinating hypothesis in a guest post by Don …

2017-04-07 20:23   Click to comment

Judith Curry: Science needs reason to be trusted

by Judith Curry Two excellent articles about science, facts, and post-factualism. Sabine Hossenfelder just published a superb essay in Nature Physics, entitled Science needs reason to be trusted.  Subtitle: That we now live in the grip of post-factualism would seem …

2017-04-05 17:38   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. Sun’s impact on climate quantified for the first time [link] North Pacific 20th century decadal-scale variability is unique for the past 342 years [link] A reconstructed South Atlantic …

2017-04-02 16:18   Click to comment

Judith Curry: ‘Deniers,’ lies and politics

by Judith Curry House Science Committee Hearing:  where the so-called ‘deniers’ behave like scientists and the defender of the establishment consensus . . . lies. Well, I’ve returned home following the recent Hearing, and have had a chance to reflect, as …

2017-03-31 20:50   Click to comment

Judith Curry: House Science Committee Hearing

by Judith Curry My testimony at the House Science Committee Hearing on Climate Science: Assumptions, Policy Implications and the Scientific Method. The text of my written testimony is here [Curry house science testimony mar 17].   I really enjoyed preparing …

2017-03-29 15:00   Click to comment

Judith Curry: A roadmap for meeting Paris emissions reductions goals

by Judith Curry “I think this should be the way forward, translating [overarching climate goals] into ‘policy portfolios’ and then asking policymakers if they are going to do it or not.” — Oliver Geden A provocative paper has been published …

2017-03-25 14:06   Click to comment

Judith Curry: House Science Committee Hearing – Climate Science: Assumptions, Policy Implications and the Scientific Method

by Judith Curry Witnesses:  John Christy, Judith Curry, Michael Mann and Roger Pielke Jr. The hearing will be held next week, March 29.  The announcement for the Hearing is [here]. I’ve completed my written testimony, I will post it Wednesday …

2017-03-22 19:43   Click to comment

Judith Curry: Discussion thread – improving the interface between climate science and policy

by Judith Curry I’m looking for ideas and discussion on ways to improve what I regard to be a broken interface between climate science and policy. I’m preparing a new document (I’ll be able to post it next week).  I’m …

2017-03-20 16:33   Click to comment

Judith Curry: Will the Oroville Dam survive the ARkStorm?

by David Hagen Should California plan for permanent drought or climate persistence? After six years of drought, California was deluged in 2017 by sequential “atmospheric rivers” causing the highest January/February rainfall on recent record. California’s Oroville Dam experienced failures of …

2017-03-17 19:45   Click to comment

Judith Curry: Scott Pruitt’s statement on climate change

by Judith Curry My analysis of EPA Administrator Scott Pruitt’s recent statements on climate change, and the response to his statements. Last week, there was a controversial interview of Scott Pruitt on CNBC. A sampling of the headlines reporting on his interview: New Yorker: …

2017-03-11 16:06   Click to comment

Judith Curry: Exactly what are scientists marching ‘for’?

by Judith Curry The smartest people on the planet want to oppose Trump & the best they can come up with is a march in support of themselves? – Roger Pielke Jr A mega March for Science has been planned for Earth Day (April 22) in Washington DC.  The web site states: The March for … …

2017-03-06 01:51   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week (well actually, the past month). Very good overview on the Madden Julian Oscillation and its implications for rainfall  by Carl Schreck [link] NOAA’s atmospheric river information page …

2017-03-04 21:54   Click to comment

Judith Curry: What’s wrong with ‘alternative facts’?

by Kip Hansen ‘Alternative facts’ is a term in law to describe inconsistent sets of facts put forth in a court given that there is plausible evidence to support both alternatives. The term is also used to describe competing facts …

2017-02-26 15:32   Click to comment

Judith Curry: Brussel declaration on principles for science & policy making

by Judith Curry In this age of politicization of science and activist scientists, the Brussel Declaration offers some very good advice and deserves to be widely read and discussed. The authors of the Brussel Declaration have written an essay entitled …

2017-02-25 18:05   Click to comment

Judith Curry: Innate Skepticism

by Andy West On the origin of public skepticism and its entanglement with science. Introduction Lewandowsky has a habit of raising fundamental truths1 and asking pertinent questions, yet then for the climate change domain turning psychology (and according to analyses …

2017-02-21 00:41   Click to comment

Judith Curry: Nature Unbound II: The Dansgaard- Oeschger Cycle

by Javier Dansgaard-Oeschger (D-O) events are the most dramatic and frequent abrupt climate change events in the geological record. They are usually explained as the result of an Atlantic Ocean salinity oscillation paced by internal variability. Available evidence however supports …

2017-02-17 19:54   Click to comment

Judith Curry: Discussion: JC’s ‘role’

by Judith Curry In view of recent controversies, numerous criticisms have been made about my ‘role,’ with expectations of things that I ‘should’ be doing. From twitter: “I do think JC should take a bigger role in reeling in hoaxers/denialists …

2017-02-11 19:27   Click to comment

Judith Curry: The new ‘climate denial’

by Judith Curry Interesting article in The Atlantic, but I’m still trying to figure out what is being ‘denied.’ The Atlantic has an interesting article How the New Climate Denial is Like the Old Climate Denial.  Subtitle: Both are excuses for …

2017-02-11 00:09   Click to comment

Judith Curry: Response to critiques: Climate scientists versus climate data

by Judith Curry Not surprisingly, John Bates’ blog post and David Rose’s article in the Mail on Sunday have been receiving some substantial attention. Most journalists and people outside of the community of establishment climate scientists ‘get it’ that this …

2017-02-06 15:07   Click to comment

Judith Curry: Climate scientists versus climate data

by John Bates A look behind the curtain at NOAA’s climate data center. I read with great irony recently that scientists are “frantically copying U.S. Climate data, fearing it might vanish under Trump” (e.g., Washington Post 13 December 2016). As …

2017-02-04 23:06   Click to comment

Judith Curry: Conflating the climate problem with the solution

“one of the real tragedies that totally distorted the debate over climate change was that it got tied into the solution in a way that if you accepted the first you had to accept the second. And I think that …

2017-02-03 16:40   Click to comment


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