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An independent constraint on climate sensitivity
Guest post by Christopher Monckton of Brenchley Abstract Global CO2 emissions per unit increase in atmospheric CO2 concentration provide an independent constraint on climate sensitivity over the...
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Increased tropical rainfall – seems like a negative feedback to me…
From MIT via press release, bear in mind this is just more model output based on estimates from observations. That said, thunderstorms and hurricanes are simply heat engines, and they transport heat...
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New paper on climate sensitivity estimates 1.1 ± 0.4 °C for a doubling of CO2
This new paper (in review at the discussions section) at Climate of the Past has some interesting approaches using Oxygen 18 isotope records from benthic foraminiferas acquired in Deep Sea Drilling...
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New paper cuts recent anthropogenic warming trend in half
Tamino (aka Grant Foster) will have his knickers in a twist over this one. Guest post by Marcel Crok (from his blog De staat van het klimaat) An interesting new paper (behind paywall) has been accepted...
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A problem: nearly one third of CO2 emissions occured since 1998, and it...
Guest post by Tom Fuller The physics behind the theory of global warming are solid. CO2 is a greenhouse gas, we’re emitting industrial levels of it, with China now in the lead for emissions. A...
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A Brief History of Atmospheric Carbon Dioxide Record-Breaking
Guest Post by David Middleton The World Meteorological Organization (Why do I always think of Team America: World Police whenever “World” and “Organization” appear in the same title?) recently...
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An Interim Look At Intermediate Sensitivity
Guest Post by Willis Eschenbach Whenever I find myself growing grim about the mouth; whenever it is a damp, drizzly November in my soul; whenever I find myself involuntarily pausing before coffin...
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Why doesn’t the AR5 SOD’s climate sensitivity range reflect its new aerosol...
This article is a detailed complement to Matt Ridley’s Op-Ed today in the Wall Street Journal: Cooling Down the Fears of Climate Change Evidence points to a further rise of just 1°C by 2100. The net...
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Bethlehem and the rat-hole problem
By Christopher Monckton of Brenchley In the closing minutes of the final plenary of the U.N.’s Doha climate summit, when no one else had anything further to add, I spent a few seconds telling the...
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Does The Effect From The Cause Affect The Cause?
Guest Post by Willis Eschenbach There’s been a recent paper claiming a long-term correlation between CO2 and sea level, discussed here at WUWT. The paper implies that CO2 controls temperature and thus...
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Commitment studies belie “consensus” claim that a persistent high level of...
Guest post by Alec Rawls They say it all the time: even if there were some substantial mechanism of enhanced solar forcing it couldn’t be responsible for late 20th century warming because solar...
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Yet another study shows lower climate sensitivity
Global warming less extreme than feared? Policymakers are attempting to contain global warming at less than 2°C. New estimates from a Norwegian project on climate calculations indicate this target may...
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BREAKING: an encouraging admission of lower climate sensitivity by a ‘hockey...
UPDATE: Annan now suggests the IPCC “is in a bit of a pickle”, see below. UPDATE2: Title has been changed to reflect Annan’s new essay, suggesting lying for political purposes inside the IPCC. Also...
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The yearly lukewarm report
UPDATE: Andrew Revkin has a similar story today, see below. Robert Bradley, who runs Master Resource, a blog about energy and climate, gave me unsolicited permission to reprint this article to increase...
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The Revkin-Gavin debate on lower climate sensitivity
Lower climate sensitivity is getting some mainstream discussion. Last week at WUWT, we had this story: BREAKING: an encouraging admission of lower climate sensitivity by a ‘hockey team’ scientist,...
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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 a “pick”. It seems a...
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A Comparison Of The Earth’s Climate Sensitivity To Changes In The Nature Of...
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 is whether the nature...
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An objective Bayesian estimate of climate sensitivity
Guest post by Nic Lewis Many readers will know that I have analysed the Forest et al., 2006, (F06) study in some depth. I’m pleased to report that my paper reanalysing F06 using an improved, objective...
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Another paper finds lower climate sensitivity
Yesterday we talked about the new paper from Nic Lewis, now Troy Masters has a new paper in press at Climate Dynamics here. Observational estimate of climate sensitivity from changes in the rate of...
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Numeracy in Climate Discussions – how long will it take to get a 6C rise in...
The answer may surprise you Note: This essay is a result of an email discussion this morning, I asked Dr. Happer to condense and complete that discussion for the benefit of WUWT readers. This is one of...
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