More fatal flaws in the Shakun et al. Nature paper claiming that CO2 preceded late glacial warming [Part 2]

By Dr. Don Easterbrook In Part 1 , I posed 11 questions related to underlying assumptions and misconceptions that form the basis for the paper “Global warming preceded by increasing…

Does CO2 correlate with temperature history? – A look at multiple timescales in the context of the Shakun et al. paper

Guest post by Michael Pacnik Especially in the context of recent discussion of the Shakun et al. paper, a look at other sources for temperature history versus CO2 can be…

Did Shakun et al. really prove that CO2 preceded late glacial warming? [Part 1]

By Don J. Easterbrook, PhD. In a paper “Global warming preceded by increasing carbon dioxide concentrations during the last deglaciation”, Shakun et al.(Nature 2012) contend that rising temperature at the…

A reply to Shakun et al – Dr. Munchausen Explains Science By Proxy

Guest Post by Willis Eschenbach There’s a new study entitled “Global warming preceded by increasing carbon dioxide concentrations during the last deglaciation”, Shakun et al. (paywalled, hereinafter Shakun2012). The paper…

Osman et al. 2021: a Flawed Nature Paleoclimate Paper?

In my view, Osman 2021’s preprint proxy-only reconstruction appears credible, although a lower SST multiplier than they used is appropriate.

Global Warming is happening, what does it mean?

By Andy May The concepts and data used to make temperature and climate reconstructions, or estimates, are constantly evolving. Currently, there are over 100,000 global weather stations on land and…

Even Gooder News!!! East Antarctic Ice Sheet (the big one) Remained Stable Throughout the Pliocene!

Guest Commentary by David Middleton This just eliminated 81% of all of the potential catastrophic sea level rise in the Warmunists’ Little Red Book… June 13, 2018 Largest ice sheet…

Inconvenient: Antarctica’s Ice Sheet May Be More Durable Than We Thought

On the same day that WaPo and other alarmist media outlets were wailing about a small loss in Antarctic ice balance, another study came out. This study found that the…

New Paper: "Reconciling divergent trends and millennial variations in Holocene temperatures"

Guest post by David Middleton This appears to be a fairly high resolution regional Holocene climate reconstruction of North America and Europe… Reconciling divergent trends and millennial variations in Holocene…

Marcott discovers that “It's tough to make predictions, especially about the future” while saying "it's worse than we thought"

The title quote is from the late, great, Yogi Berra, with my sincerest apologies. From the UNIVERSITY OF WISCONSIN-MADISON and the “doom is the only outcome” department comes this “stunning”…

Claim: Climate change may bring more kidney stones – but the Tasian et al. paper lacks proper controls

From the Children’s Hospital of Philadelphia  Something that I consider to be more than a stretch, and possibly conflated junk science, especially since I’ve suffered kidney stones myself and live…

The Catastrophic AGW Memeplex; a cultural creature

The hypothesis for a single, simple, scientific explanation underlying the entire complex social phenomenon of CAGW Guest essay by Andy West Whatever is happening in the great outdoors regarding actual…

Meehl et al (2013) Are Also Looking for Trenberth’s Missing Heat

OVERVIEW Rob Painting of SkepticalScience recently published the post A Looming Climate Shift: Will Ocean Heat Come Back to Haunt Us? Many of you will find his post entertaining. But…

Almost Friday Funny – rotten to the core

Josh writes: Apologies for the lack of cartoons this month but I have been snowed under (!) with the day job. Even sadder when the Climate Blogosphere has had so…

Real Climate response to McIntyre's Marcott stick busting

Many people have been wondering what sort of response would be coming now that Steve has conclusively shown that the Marcott et al “hockey stick” is nothing more than an…

McIntyre finds the Marcott 'trick' – How long before Science has to retract Marcott et al?

Steve McIntyre has made what I can only describe as a stunning discovery as to why there is a sharp uptick in the main Marcott et al graph being touted…

AGW Proponents Fight Rearguard Action As Political Climate Science Fails

Guest post by Dr. Tim Ball Proponents of the anthropogenic global warming (AGW) hypothesis are cornered. They made a political choice to prove rather than disprove the hypothesis, as the…

A Simple Test of Marcott et al., 2013

Guest Post by David Middleton The Gorebots are all atwitter about this new paper… Science 8 March 2013: Vol. 339 no. 6124 pp. 1198-1201 DOI: 10.1126/science.1228026 A Reconstruction of Regional…

Validity of “A Reconstruction of Regional and Global Temperature for the Past 11,300 Years”

It seems that Marcott et al isn’t all that it is cracked up to be. Dr. Easterbrook takes a good hard look at the paper. Guest post by Dr. Don…

Environmentalist Air Pollution

Guest Post by Ira Glickstein. What’s the difference between a whimsical fable and an environmental fallacy? On the outside, fables are light-hearted fibs. But oh so true on the inside.…

Pat Michaels – on the death of credibility in the journal Nature

Atmospheric Aerosols and the Death of Nature Guest post by Dr. Patrick Michaels Big news last week was that new findings published in Nature magazine showed that human emissions of…

Shakun The Last, I Hope

Guest Post by Willis Eschenbach In three previous posts here, here, and here, I discussed problems with the paper by Shakun et al., “Global warming preceded by increasing carbon dioxide…

Shakun, Not Stirred, and Definitely Not Area-Weighted

I’d like to highlight one oddity in the Shakun et al. paper, “Global warming preceded by increasing carbon dioxide concentrations during the last deglaciation” (Shakun2012), which I’ve discussed here and here.…

Shakun Redux: Master tricksed us! I told you he was tricksy!

Guest Post by Willis Eschenbach The quote above is from Lord of the Rings, an exchange between Gollum and Smeagol, and it encapsulates my latest results from looking into the…