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: National Climate Assessment and the Trump administration

The National Climate Assessment must be redirected or terminated by Patrick J. Michaels Periodic National Assessments of the effects of climate change on the U.S. are mandated by the 1990 Global Change Research Act. The next Assessment Report is scheduled to …

2017-06-21 23:40   Click to comment

Judith Curry: The radically fragmented and decentralized age of information

by Judith Curry Why real nobodies are more powerful than repressed somebodies. The U.S. first tweeting President has upended our perceptions on the appropriate method for a President communicate. Millions of people are perplexed and horrified by President Trump’s tweets. …

2017-06-20 21:11   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week Researchers uncover a cause for early 20th century Arctic warming [link] JC note: basically, the stadium wave Internal and external forcing of multidecadal Atlantic climate variability over …

2017-06-10 20:06   Click to comment

Judith Curry: CFAN’s forecast for the 2017 Atlantic hurricane season

by Judith Curry Climate Forecast Applications Network (CFAN)’s  first seasonal forecast for  Atlantic hurricanes is based on a breakthrough in understanding of the impact of global climate dynamics on Atlantic hurricane activity. Research conducted by Senior Scientist Jim Johnstone at …

2017-06-08 14:47   Click to comment

Judith Curry: Paris Accord: QTIIPS

by Judith Curry QTIIPS stands for Quantitatively Trivial Impact + Intense Political Symbolism. – Keith Hennessey Over the past week, I’ve read over a hundred articles related to Trump’s withdrawal from the Paris Accord.  I was vaguely wondering how to …

2017-06-04 19:10   Click to comment

Judith Curry: Nature Unbound III – Holocene climate variability (Part B)

by Javier The Neoglacial has been a period of progressive cooling, increasing aridity, and advancing glaciers, culminating in the Little Ice Age. The main Holocene climatic cycle of ~ 2400 years delimits periods of more stable climatic conditions which were …

2017-05-28 22:04   Click to comment

Judith Curry: Week in review – science edition

by Judith Curry A few things that caught my eye this past week. An overview of studies of observed climate change in the Hindu Kush Himalayan (HKH) region [link] Study: sea level rise acceleration still uncertain, we won’t have statistical …

2017-05-20 19:02   Click to comment

Judith Curry: Uncertainty about the Climate Uncertainty Monster

by Judith Curry The many dimensions of the climate uncertainty monster. Bret Stephens’ climate change op-ed of several weeks ago Climate of Complete Certainty spawned a number of articles related to uncertainty and climate change. Andy Revkin’s article in response …

2017-05-19 14:59   Click to comment

Judith Curry: Electricity in Texas: is 100% renewables feasible? Part I

by Peter Davies Scenarios to understand how load, wind, solar PV and storage interact and whether a 100% renewable grid for Texas is technically feasible. Given the stated policy of the new USA administration this might not seem the best …

2017-05-14 19:33   Click to comment

Judith Curry: Renewable resources and the importance of generation diversity

by Planning Engineer How feasible are calls for 100% renewable energy? In previous columns I’ve discussed characteristics of wind and solar generation that will result in increasing concerns as they grow to provide an increase portion of the electric supply. …

2017-05-09 20:25   Click to comment

Judith Curry: Nye’s Quadrant

by Judith Curry The scary emergence of Nye’s Quadrant in dominating the public discourse on climate change. If you are unfamiliar with Pasteur’s Quadrant, read my previous post [link].  The focus of my previous post was on use-inspired basic research. …

2017-05-02 17:54   Click to comment

Judith Curry: Nature Unbound III: Holocene climate variability (Part A)

by Javier Vinos First in a two part series on Holocene climate variability. Summary: Holocene climate is characterized by two initial millennia of fast warming followed by four millennia of higher temperatures and humidity, and a progressively accelerating cooling and …

2017-04-30 20:32   Click to comment

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


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