Guest Post by Willis Eschenbach (@weschenbach on X, blog at Skating Under The Ice) Like Don Quixote suffering a coffee overdose, once again I mount my steed, take up my…
Category: Climate sensitivity
Addressing misconceptions about Climate Sensitivity research: a Response to recent Criticisms
The ongoing debate over climate sensitivity reflects the inherent difficulty of the problem, and some methodological weaknesses–particularly regarding statistical issues–in published research, rather than any fundamental disagreement about the reality…
CERES Satellite Data Suggests Low Climate Sensitivity
Equilibrium climate sensitivity (ECS) is a measure of how much the Earth’s global average surface temperature will eventually increase in response to a doubling of atmospheric carbon dioxide concentration.
Moving, But Not In A Straight Line
Guest Post by Willis Eschenbach. I must confess, I use WUWT as a lab notebook on steroids. It reflects my latest work, my latest calculations, my latest graphics, my latest…
A 485-million-year history of bad science
Guest Post by Willis Eschenbach, with thanks to Charles The Moderator for the above image. A few days ago I published another analysis of mine, called pHony Alarmism. Take a…
Not All That Sensitive
Guest Post by Willis Eschenbach For no particular reason, I got to thinking about the non-global nature of the incoming energy. And this led me to consider the sensitivity of…
Climate Models, Clouds, OLR, and ECS
By Andy May The IPCC and the climate “consensus” believe that essentially all warming since 1750 is due to man’s emissions of CO2 and other greenhouse gases as shown in…
The Quest for Climate’s “Golden Fleece”
However, since actual temperature and CO2 data result in a current climate sensitivity of ca. 1.25, there is plainly something wrong with the current “fad” for climate sensitivities of 3…
Green on Green: Wilderness Protection Laws and Indigenous Rights are Derailing Renewable Energy Projects
Laws protecting Koalas and “the magnificent brood frog” have prevented a renewable energy company from clearing 500 hectares of native vegetation in the Australian tropics.
Long Term Climate Sensitivity After All Feedback Has Acted
The problems encountered by scientists trying to put a number on Equilibrium Climate Sensitivity (ECS) for CO2x2 are almost insurmountable because of this complexity and estimates, consequently, vary greatly.
New Journal of Climate Study Reduces Doubled CO2 Climate Sensitivity By 40%, To 0.72°C
From the NoTricksZone By Kenneth Richard Doubling the 2005 CO2 concentration (380 ppm) to 760 ppm only produces a globally-averaged 2.26 W/m² perturbation at the top of the atmosphere (TOA). This…
A Thought Experiment; Simplifying the Climate Riddle.
Is it possible to simplify the climate sensitivity debate?
Hansen’s latest overheated global warming claims are based on poor science
…he leads are increasingly strongly biased towards overheated projections and dire conclusions.
Spencer and Christy’s new climate sensitivity paper has been published – and its LOWER.
From Dr. Roy Spencer: If we assume ALL *observed* warming of the deep oceans and land since 1970 has been due to humans, we get an effective climate sensitivity to…
An Unsettling Insight
Guest Post by Willis Eschenbach I got to thinking about the classical way to measure the very poorly-named “greenhouse effect”, which has nothing to do with greenhouses. To my knowledge,…
More on the statistical dispute between Scafetta and Schmidt
By Andy May The argument about the proper way to estimate error in the European Centre for Medium-Range Weather Forecast (ECMWF) ERA5 weather reanalysis dataset between Nicola Scafetta and Gavin…
How Much Warming Can We Expect in the 21st Century?
Assuming that the climate sensitivity from Lewis22 is correct and that RCP3.4 is the most appropriate emissions scenario, then we find that global temperatures will rise by less than 1°C…
The Elephants in The Room
On that assumption, each $1 billion spent on abatement would prevent less than 1/10,000,000 C:
The Mysterious AR6 ECS, Part 4, converting observations to ECS
By Andy May Christian Freuer has translated this post to German here. In part one we discussed various estimates of climate sensitivity (ECS, TCR, and observation-based values) and what they…
The Mysterious AR6 ECS, Part 3, What is Climate Sensitivity?
By Andy May Christian Freuer has translated this post to German here. In part one we discussed various estimates of climate sensitivity (ECS, TCR, and observation-based values) and what they…
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