EPA to be challenged at SCOTUS over climate change

From Reuters (h/t to reader John) U.S. justices to hear challenge to Obama on climate change Tue, Oct 15 11:06 AM EDT By Lawrence Hurley WASHINGTON (Reuters) – In a…

Retro 3D climate model applied to faint young sun paradox

From the AGU weekly highlights: Evaluating solutions to the faint young Sun problem During the Archean eon, between about 3.8 billion years ago and 2.5 billion years ago, the Sun…

Gatekeeping at Geophysical Research Letters

Dr. Judith Curry writes: As the IPCC struggles with its inconvenient truth – the pause and the growing discrepancy between models and observations – the obvious question is: why is…

50:1 should now be 100:1

Low ECS doubles the cost:benefit shortfall Guest essay by Barry Brill Topher Fields’ excellent documentary video http://topher.com.au/50-to-1-video-project/ explains that the overall costs of any global effort to reduce greenhouse gas…

Claim: simulated satellite data back to 1860 proves global warming caused by humans

This is just nuts, sorry, I just don’t have any other words for it. Computer modeling and simulations are not hard data nor empirical proof, especially when trying to hindcast…

The 'Diffenbaugh Delusion' – refuted with a single graph of temperature

From Stanford University,  a claim easily refuted with a single graph of Tmax. See below. Global warming has increased risk of record heat, say Stanford scientists Drought shriveled crops in…

That 'Methane Time Bomb' now lurks behind dams

From the American Chemical Society. I wonder if they studied how much methane comes from sediment loads dropped by rivers naturally and compared them? The Mississippi Delta alone must be…

Nature puts methane hydrate fears to rest – says it will be 1,000 years before they make any impact

WUWT reader “Jos” advises in Tips and Notes of this essay in Nature’s Knowledge Project. Excerpts follow: Methane Hydrates and Contemporary Climate Change Concern about the long-term stability of global…

Essay: carbon footprint as 'original sin'

This essay appears today in The Chronicle Review and it makes an interesting claim: What is the carbon footprint, after all, if not the gaseous equivalent of Original Sin, the…

Australian scientists take 6 degrees of global warming off the table, say it is closer to 2 degrees

From the University of Melbourne Scientists narrow global warming range Australian scientists have narrowed the predicted range of global warming through groundbreaking new research. Scientists from the University of Melbourne and Victoria…

The effectiveness of CO2 as a greenhouse gas becomes ever more marginal with greater concentration

The political target of limiting the effect of Man-made global warming to only +2⁰C can never be attained. Guest essay by Ed Hoskins According to well understood physical parameters, the…

The Tragedy of Climatism: Resource Misuse on a Global Scale

By Steve Goreham Originally published in The Washington Times. Last week, thirteen members of the House of Representatives introduced a resolution “recognizing the disparate impact of climate change on women.”…

Michael Mann says climate models cannot explain the Medieval Warming Period – I say they can't even explain the present

Ice core data shows CO2 levels changed less than 10 parts per million from 1600-1800 during the MWP. From the Hockey Schtick:  A new paper from Schurer et al (with Mann…

A Comparison Of The Earth's Climate Sensitivity To Changes In The Nature Of The Initial Forcing

Guest post by Bob Irvine ABSTRACT The Earth’s feedback response to warming is independent of the nature of the forcing that caused that warming. The question I intend to examine…

In a new study, James Hansen pushes nuclear power as saving more lives than it has harmed

This is sure to get some enviros in a tizzy. From Chemical and Engineering News of the American Chemical Society: Nuclear Power Prevents More Deaths Than It Causes Climate Change:…

The puzzle: why have rising temperatures been on a 'Twenty-year hiatus"?

Not sure that “sceptical fringe” would apply here, but I’ll take the press where we can get it. See my comments below. – Anthony Twenty-year hiatus in rising temperatures has…

A sea-change on climate sensitivity at The Economist

People send me stuff, today it was this “editors picks” from John Micklethwait, editor of The Economist. After years of being pro-warming, I was shocked to see this headline as…

NASA satellite data shows a decline in water vapor

Guest post submitted by Ken Gregory, Friends of Science.org An analysis of NASA satellite data shows that water vapor, the most important greenhouse gas, has declined in the upper atmosphere…

'King' Obama to circumvent lawful due process on climate

FLASHBACK March 2011: Obama on Deporting Illegals ‘America Is a Nation of Laws,’ Presidential Action Not ‘Appropriate’ Obama Administration Moves Forward on Climate Change Without Congress Forthcoming regulation likely means…

Another geoengineering idea – gaming coalition modeled

From the Carnegie Institution  comes a nutty consensus type idea, modeled in game-theory, implemented by an equally nutty future coalition. Law of unintended consequences anyone? Geoengineering by coalition Washington, D.C.—Solar…