Guest post by David Middleton Experts say the IPCC underestimated future sea level rise A new study surveys 90 sea level rise experts, who say sea level rise this century…
Category: IPCC AR5 Report
From 90% to 95% confidence level: How IPCC claims can be at the same time consistent and absurd.
We have been expecting too much from the IPCC about its confidence level increase: the explanation may actually be simple… and surprising. Guest essay by Stephane Rogeau Image: From IPCC…
Who are the true denialists?
Guest essay by Professor Philip Lloyd People have the nasty habit of giving their opponents names. Those who are convinced that humans are wrecking the world by burning fossil fuels…
Statistical Analyses of Surface Temperatures in the IPCC Fifth Assessment Report
Guest essay by Douglas J. Keenan Temperatures on Earth’s surface—i.e. where people live—are widely believed to provide evidence for global warming. Demonstrating that those temperatures actually provide evidence, though, requires…
Commonsense Climate Science and Forecasting after AR5
Guest Essay by Dr. Norman Page 1.The Demise of the IPCC and the CAGW Delusion. a) Overview. In the AR5 Summary for Policymakers the IPCC glossed over the developing cooling trend…
IPCC Adjusts Model-Predicted Near-Term Warming Downwards
This is another post that illustrates and discusses just how poorly climate models simulate one of the most important climate variables: global surface temperatures. I’ve included a copy of this…
Lack of Data For All Phases of Water Guarantees Failed IPCC Projections
Guest essay by Dr. Tim Ball Lack of temperature data is a problem, but measures of water and precipitation are much worse. Temperature changes, especially cooling, are important to a…
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…
Scientific Critique of IPCC's 2013 'Summary for Policymakers'
(PDF of this report also available below) by Craig D. Idso, Robert M. Carter, S. Fred Singer, and Willie Soon* Introduction The United Nations’ Intergovernmental Panel on Climate Change (IPCC)…
Another Reason Why IPCC Predictions (Projections) Fail. AR5 Continues to Let The End Justify the Unscrupulous Means
Noble cause corruption in the process. Guest essay by Dr. Tim Ball Someone said economists try to predict the tide by measuring one wave. The IPCC essentially try to predict…
Thom Hartmann's 'Last Hours' video negated by IPCC AR5
From The End is Near department comes this video documentary from lefty talk radio guy Thom Hartmann that claims we are on the verge of a “mass extinction” due to…
Some notes on the Nongovernmental International Panel on Climate Change (NIPCC)
FYI. Some email correspondence in my Inbox, for those with an interest in an alternate viewpoint of the IPCC: ========================================================== At 10 AM PDT Tomorrow, Sunday, October 13th, you can…
Tail wagging the dog – IPCC to rework AR5 to be 'consistent with the SPM'
Dave Burton writes: Anthony, The IPCC replied promptly to my inquiry (below), and they surprised me, twice: 1. They say that the just released “final” draft of the AR5 WG1…
Animated analysis shows that IPCC AR5 global warming prediction is lower than AR4, TAR, and FAR
Guest Post by Ira Glickstein I just updated my December 2012 IPCC “Arrows” animation based on the latest available IPCC AR5 (2013) Global Warming prediction for 2035. One good result…
AMAZING: The IPCC May Have Provided A Realistic Illustration
In the post Is Ocean Heat Content Data All It’s Stacked Up to Be? I explained all of the problems associated with Ocean Heat Content data, in great detail. For…
Lindzen: Understanding The IPCC AR5 Climate Assessment
Guest essay by Dr. Richard Lindzen Each IPCC report seems to be required to conclude that the case for an international agreement to curb carbon dioxide has grown stronger. That…
IPCC Still Delusional about Carbon Dioxide
INITIAL NOTE: If you have not had the opportunity to view a model-data comparison of global surface temperature anomalies, where the models and data are compared during the two warming…
The Computer says NO – The IPCC 2013 Summary for Policymakers
By Tom Quirk The IPCC use of computer models to predict temperatures, rain fall, sea level rises and other weather related events either global or regional has comprehensively failed to…
No Matter How the CMIP5 (IPCC AR5) Models Are Presented They Still Look Bad
UPDATE: I’ve added a comment to the end of the post about the use of 1990 as the start year. # # # After an initial look at how the…
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