Author Archives: curryja

Murry Salby’s latest presentation

Posted on August 10, 2016 | 568 comments

by Judith Curry

Last month at the University College London, atmospheric scientist Prof. Murry Salby, gave a  presentation on man-made CO2 and its (lack of) impact on global climate.

Continue reading →

568 Comments

Posted in Greenhouse effect

Decadal Climate Variability

Posted on August 8, 2016 | 310 comments

by Judith Curry

The National Academies Press has published a new document:  Frontiers in Decadal Climate Variability: Proceedings of a Workshop.

Continue reading →

310 Comments

Posted in Oceans

Assessing atmospheric temperature data sets for climate studies

Posted on August 1, 2016 | 161 comments

By Judith Curry

It is therefore suggested to use either the more robust tropospheric temperature or ocean surface temperature in studies of climate sensitivity. – Cederlof, Bengtsson, Hodges

Continue reading →

161 Comments

Posted in Data and observations

The art and science of climate model tuning

Posted on August 1, 2016 | 174 comments

by Judith Curry

We survey the rationale and diversity of approaches for tuning, a fundamental aspect of climate modeling which should be more systematically documented and taken into account in multi-model analysis. – Hourdin et al.

Continue reading →

174 Comments

Posted in climate models, Uncertainty

Atmospheric Radiation Measurement Program

Posted on July 28, 2016 | 88 comments

by Judith Curry

The first 20 years.

Continue reading →

88 Comments

Posted in climate models, Data and observations, Sensitivity & feedbacks

Sea level rise, acceleration and the closure problem

Posted on July 20, 2016 | 206 comments

by Rud Istvan

There is no doubt that interglacials change sea level (SL). And that sea level rise (SLR) can be dramatic on millennial interglacial time scales.

Continue reading →

206 Comments

Posted in Climate change impacts, Oceans

Clean energy emergency

Posted on July 19, 2016 | 242 comments

by Judith Curry

Right about now would be a good time for people who care about climate change to acknowledge our clean energy crisis. – Mike Shellenberger

Continue reading →

242 Comments

Posted in Energy

AMS: Weather, Water and Climate Priorities

Posted on July 18, 2016 | 65 comments

by Judith Curry

An eminently sensible and constructive statement from the American Meteorological Society.

Continue reading →

65 Comments

Posted in Policy, Sociology of science

Canopus, Herakleion, New Orleans & Continental Rifts

Posted on July 17, 2016 | 121 comments

by Anthony Lucas

An alternative perception of sea level rise and climate change.

Continue reading →

121 Comments

Posted in Oceans

The troubled institution of science

Posted on July 15, 2016 | 317 comments

by Judith Curry

“Is the point of research to make other professional academics happy, or is it to learn more about the world?” —Noah Grand, sociology professor, UCLA

“Science, I had come to learn, is as political, competitive, and fierce a career as you can find, full of the temptation to find easy paths.” — Paul Kalanithi, neurosurgeon and writer (1977–2015)

Continue reading →

317 Comments

Posted in Sociology of science

U.S. Presidential discussion thread. Part XIII

Posted on July 14, 2016 | 794 comments

by Judith Curry

Plus UK and Australia political issues.

794 Comments

Posted in Uncategorized

Are energy budget climate sensitivity values biased low?

Posted on July 12, 2016 | 233 comments

by Nic Lewis

In a recently published paper (REA16),[i] Mark Richardson et al. claim that recent observation-based energy budget estimates of the Earth’s transient climate response (TCR) are biased substantially low, with the true value some 24% higher.

Continue reading →

233 Comments

Posted in Sensitivity & feedbacks

Climate power play by the AAAS et al.

Posted on July 4, 2016 | 477 comments

by Judith Curry

The AAAS and affiliated professional societies just shot themselves in the foot with the letter to U.S. policy makers.

Continue reading →

477 Comments

Posted in Ethics, Sociology of science

Climate polarization requires long, deep look at our worldviews

Posted on June 30, 2016 | 152 comments

by Judith Curry

A more truly open dialogue, which honors a wider range of perspectives, may start to take place if we use integrative perspectives.

Continue reading →

152 Comments

Posted in Sociology of science

Towards reconciling climate sensitivity estimates from climate models and observatiions

Posted on June 28, 2016 | 386 comments

by Judith Curry

A new paper purports to have resolved the discrepancy between climate response estimates from global climate models versus energy budget models.

Continue reading →

386 Comments

Posted in Sensitivity & feedbacks

Record breaking N. American winters not due to climate change

Posted on June 27, 2016 | 107 comments

by Judith Curry

A new study finds that human-caused warming in the west tropical Pacific was not responsible for a series of frigid North American winters experienced over the early 2000s.

Continue reading →

107 Comments

Posted in Attribution, Extreme events

How Dr. Frankenstein is making research sick

Posted on June 20, 2016 | 174 comments

by Judith Curry

What I saw was a creature not unlike that made by Dr. Frankenstein and which turned onto its creator: neither traditional science nor business, as it is made from incompatible parts taken from both bodies with good intentions but not much forethought. – Yuri Lazebnik

Continue reading →

174 Comments

Posted in Sociology of science

Energy and Environment on the “Garden Island”

Posted on June 16, 2016 | 115 comments

by Planning Engineer

·        Countering the presumption that renewables are always the environmentally preferable alternative, this column suggests that serious consideration should be given to examining if for the short term, fossil fuel might be the “environmentally correct” near term alternative for Kauai.

Continue reading →

115 Comments

Posted in Energy

A new definition of academic misconduct

Posted on June 13, 2016 | 284 comments

by Judith Curry

Ridd was punished by James Cook University for “not displaying responsibility in respecting the reputations of other colleagues.” The university even warned that if he does this again, he’ll be tried for serious misconduct.

Continue reading →

284 Comments

Posted in Ethics

Science on the verge

Posted on June 9, 2016 | 217 comments

by Judith Curry

This book offers an uncomfortable but vital diagnosis of the trouble with science. – Jack Stilgoe

Continue reading →

217 Comments

Posted in Sociology of science

Assessment of Approaches to Updating the Social Cost of Carbon

Posted on June 7, 2016 | 224 comments

by Judith Curry

Some new analyses are shedding some light on deficiencies in the approach to estimate the social cost of carbon.

Continue reading →

224 Comments

Posted in Climate change impacts, Economics, Sensitivity & feedbacks

The cloud-climate conundrum

Posted on June 2, 2016 | 337 comments

by Judith Curry

Four new papers remind us of the very large uncertainties surrounding cloud-climate feedbacks.

Continue reading →

337 Comments

Posted in Sensitivity & feedbacks

The Republic of Science

Posted on May 30, 2016 | 222 comments

by Judith Curry

The professional standards of science must impose a framework of discipline and at the same time encourage rebellion against it. – Michael Polanyi (1962)

Continue reading →

222 Comments

Posted in Consensus, History, Sociology of science

Coral bleaching debate

Posted on May 24, 2016 | 432 comments

by Jim Steele

Is bleaching the legacy of a marvelous adaptation mechanism or a prelude to extirpation?

Continue reading →

432 Comments

Posted in Adaptation, Oceans

Is much of our effort to combat global warming actually making things worse?

Posted on May 23, 2016 | 227 comments

by Judith Curry

Humanity is owed a serious investigation of how we have gone so far with the decarbonization project without a serious challenge in terms of engineering reality. – Michael Kelly

Continue reading →

227 Comments

Posted in Energy, Policy