Claim: A groggy climate giant: subsea permafrost is still waking up after 12,000 years

In the far north, the swelling Arctic Ocean inundated vast swaths of coastal tundra and steppe ecosystems. Though the ocean water was only a few degrees above freezing, it started…

Carbon emissions are chilling the atmosphere 90km above Antarctica, at the edge of space

While greenhouse gases are warming Earth’s surface, they’re also causing rapid cooling far above us, at the edge of space. In fact, the upper atmosphere about 90km above Antarctica is…

Cold Air Rises – How Wrong Are Our Global Climate Models?

From Scitechdaily By University of California Davis May 6, 2020 The lightness of water vapor buffers climate warming in the tropics. Conventional knowledge has it that warm air rises while…

Wildfires Caused By Bad Environmental Policy Are Causing California Forests To Be Net CO2 Emitters

Guest essay by Chuck DeVore In the past two years, wildfires scorched 2.9 million acres in California, including five of the state’s 20 deadliest fires killing 131 people. Former California Gov. Jerry…

California is handling climate change all wrong – Bjorn Lomborg

  While the L A Times is busy hyping Governor Brown’s success in extending its expensive and bureaucratically onerous cap and tax law from 2020 to 2030 Bjorn Lomborg director…

Methane: The Irrelevant Greenhouse Gas

Water vapor has already absorbed the very same infrared radiation that Methane might have absorbed. Guest essay by Dr. Tom Sheahen Q: I read that methane is an even worse…

On the Futility of Long-Range Numerical Climate Prediction

Note: two events at AGU13 this morning dovetail in with this essay. The first, a slide from Dr. Judith Lean which says: “There are no operational forecasts of global climate…

Hump Day Hilarity – DECC The Halls

Josh writes of this development in the UK: Ed Davey’s performance yesterday at the Energy and Climate Change Committee, posted here, was a mix of horror and farce. DECC seem to live in…

Yes, but weren't climate pledge goals always out of reach?

From the International Institute for Applied Systems Analysis Continuing with pledge pathways to 2030 could push climate goals out of reach Current pledges for greenhouse gas emission reductions are inadequate…

At last, a Plan B to stop global warming

Bjørn Lomborg writes on hisFacebook page about this story on WUWT: Newsbytes: Japan Stuns UN Climate Summit By Ditching CO2 Target The last twenty years of international climate negotiations have…

Newsbytes: Japan Stuns UN Climate Summit By Ditching CO2 Target

From Dr. Benny Peiser of the GWPF Rich Nations Block Push To Count Past CO2 Emissions At UN Climate Summit Japan set a new target for greenhouse gas emissions that…

Why and How the IPCC Demonized CO2 with Manufactured Information

Guest essay by Dr. Tim Ball Elaine Dewar spent several days with Maurice Strong at the UN and concluded in her book The Cloak of Green that, “Strong was using…

Claim: LLNL scientists find precipitation, global warming link

LIVERMORE, Calif. — The rain in Spain may lie mainly on the plain, but the location and intensity of that rain is changing not only in Spain but around the…

Submission to EPA hearing on 'carbon pollution' standards

Currently no scientific or logical basis for regulation of CO2 emissions, logician tells EPA Guest essay by Terry Oldberg Submitted to the EPA’s Public Listening Session on 111(d) Carbon Pollution…

Radiative Forcing, Radiative Feedbacks and Radiative Imbalance – The 2013 WG1 IPCC Report Failed to Properly Report on this Issue

Guest essay by Roger A. Pielke Sr. Main Points 1. The difference in ocean heat content at two different time periods provides the global average radiative imbalance over that time…

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…