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…
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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…
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…
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.…
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…
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…
Shakun on our wobbly world's precession, ocean CO2 fizzing, the last ice age, and all that
It seems that the author of the recent paper in Nature (Shakun et al ) says that the Earth’s wobble was a contributor for ending the ice age, but won’t…
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…
Annotated Bibliography for Climate: The Movie
By Andy May Many viewers of Climate: The Movie have asked for more information on the topics discussed. In response, I selected the following 70 key statements from the movie…
John Kerry: Climate Deniers “lash out at the truth tellers, and label indisputable evidence as hysteria”
h/t J Boles, PJ Media; “… humanity is inexorably threatened by humanity itself …”. John Kerry speech 24th August, with fun annotations to hilight his ridiculous mistakes.
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.
Ice Ages, Feedback Diagrams, and Climate Triggers
As well defined turning points in response and a limit-cycle of operation are long established characteristics of relay control systems, I submit that Earth’s climate regulation is non-linear in much…
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…
A 2021 Index to Willis’s Posts
Guest Post by Willis Eschenbach It’s February 3rd, 2021. I hadn’t updated my index since 2018, so I decided to do so. Not an easy task, but I beat it…
Weekly Climate and Energy News Roundup #409
Quote of the Week: “When you can measure what you are speaking about, and express it in numbers, you know something about it, when you cannot express it in numbers,…
Weekly Climate and Energy News Roundup #319
Brought to You by SEPP (www.SEPP.org) The Science and Environmental Policy Project THIS WEEK: By Ken Haapala, President, Science and Environmental Policy Project (SEPP) Vincent Gray, RIP: On May 14,…
NSF study: ‘…current carbon dioxide levels are not enough to destabilize the land-based ice on Antarctica’
We covered this yesterday, but today the official press release came out, so worth covering again. Via Eurekalert Land-based portion of massive East Antarctic ice sheet retreated little during past…
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…
"Welcome to the Fabulous Anthropocene!"
Guest commentary by David Middleton Just to demonstrate that the American Association of Petroleum Geologists (AAPG) maintains an open mind about things, I thought I would share an recent AAPG…
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…
A New Index to Willis’s Posts
Guest Post by Willis Eschenbach Well, my old index to my posts was out of date, and I finally got tired of not being able to find things that I’ve…
A Holocene Temperature Reconstruction Part 1: the Antarctic
By Andy May The only recent attempt at a global Holocene temperature reconstruction available today is the one by Marcott, et al. (2013), the paper abstract can be viewed here.…
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