Tag Archives: IPCC Fourth Assessment Report

Many Climate Reconstructions Incorrectly Attributed to Temperature Change.

Guest essay by Dr. Tim Ball The Intergovernmental Panel on Climate Change (IPCC) set climate research back thirty years, mostly by focusing world attention on CO2 and higher temperature. It was a classic misdirection that required planning. The IPCC was … Continue reading

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Posted in IPCC, Paleoclimatology | Tagged , , , , , , , | 151 Comments

McIntyre on IPCC’s switching the pea under the thimble

Fixing the Facts – By Steve McIntyre Figure 1.4 of the Second Order Draft clearly showed the discrepancy between models and observations, though IPCC’s covering text reported otherwise. I discussed this in a post leading up to the IPCC Report, … Continue reading

Posted in IPCC AR5 Report | Tagged , | 123 Comments

Confidence tricks between IPCC AR4 and AR5

Patrick Carlberg writes: I can’t assess the validity of the values from the climate models presented in AR5 (mostly due to lack of time). But I can tell you there are tricks used in the way they interpret the statistical … Continue reading

Posted in IPCC AR5 Report | Tagged , , , | 43 Comments

Uh oh, a significant error spotted in the just released IPCC AR5 SPM

From the “(pick one: 90% 95% 97%) certainty department, comes this oopsie:

Posted in IPCC AR5 Report | Tagged , , , | 145 Comments

Weekly Climate and Energy News Roundup

The Week That Was: 2013-09-21 (September 21, 2013) Brought to You by SEPP (www.SEPP.org) The Science and Environmental Policy Project ################################################### Quote of the Week: A difficult question for the climate science community is, how is it that this broad … Continue reading

Posted in Climate News Roundup | Tagged , , , , , , , | 17 Comments

On the cover of the Rolling Stone? Not quite, but I did get a single word in

Rolling Stone’s Jeff Goodell demonstrates what a biased journalist he is. My first impression was to ignore the request for interview from Rolling Stone’s Jeff Goodell last week, after all, RS has pretty much blown what credibility they had after … Continue reading

Posted in Alarmism, Climate ugliness, media | Tagged , , , , , , | 247 Comments

Weekly Climate and Energy News Roundup

The Week That Was: 2013-08-31 (August 31, 2013) Brought to You by SEPP (www.SEPP.org) The Science and Environmental Policy Project ################################################### Quote of the Week: Doubt is not a pleasant condition, but certainty is absurd.—Voltaire [H/t J.A. Curry & P.J. … Continue reading

Posted in Climate News Roundup | Tagged , , , , , , , | 15 Comments

Clanging of the bells on extreme weather change

Guest essay by Bob Fernley-Jones Our taxpayer funded broadcaster here in Oz, the ABC, has recently aired a scary story in its “science” TV show Catalyst, entitled Climate Extremes. (For the brave, the video and web page plus comments is … Continue reading

Posted in IPCC | Tagged , , , , , , , | 77 Comments

IPCC’s Pachauri channels Al Gore

People send me stuff. Here is slide 1 of a recent presentation in Finland by Rajenda Pachauri, head of the IPCC. I’ve added Gore’s An Inconvenient Truth for comparison. What is even more troubling is how Pachauri presents his own … Continue reading

Posted in Al Gore, extreme weather, IPCC | Tagged , , , | 58 Comments

Dutch meteorological institute KNMI critical of IPCC- suggests they are leaving out study of natural climate variability

Dutch advice to IPCC: limiting the scope to human induced climate change is undesirable by Marcel Crok op 5 juli 2013% Governments around the world have been asked by IPCC to think about the future of the IPCC. The Netherlands … Continue reading

Posted in IPCC | Tagged , , , , | 164 Comments

Is it time to prosecute the IPCC for fraud?

By Christopher Monckton of Brenchley The IPCC, having spent almost two months working out how to respond to my complaint about a notoriously bogus graph in its Fourth Assessment Report, has found itself not guilty. In doing so, it is … Continue reading

Posted in IPCC | Tagged , , , , , | 98 Comments

Policy Implications of Climate Models on the Verge of Failure

At the request of the authors, this was converted from a poster displayed at the AGU Science Policy Conference, Washington, June 24-26. – Anthony By Paul C. Knappenberger and Patrick J. Michaels Center for the Study of Science, Cato Institute, … Continue reading

Posted in Climate data, IPCC, Modeling | Tagged , , , , , , , | 61 Comments

Weekly Climate and Energy News Roundup

The Week That Was: 2013-06-01 (June 1, 2013) Brought to You by SEPP (www.SEPP.org) The Science and Environmental Policy Project ################################################### Quote of the Week:. The great tragedy of Science – the slaying of a beautiful hypothesis by an ugly … Continue reading

Posted in Climate News Roundup | Tagged , , , , , , , | 5 Comments

Monckton asks IPCC for correction to AR4

4 May 2013 IPCC Secretariat, Geneva Gentlemen, Request for correction of a serious inaccuracy in the contribution of Working Group 1 to the IPCC’s Fourth Assessment Report   As an Expert Reviewer for the Fifth Assessment Report, 2013, and in … Continue reading

Posted in IPCC | Tagged , , | 173 Comments

It’s the Sun stupid – The minor significance of CO2

Guest post by Dr. Norman Page 1 The IPCC’s Core Problem The IPCC  - Al Gore based  Anthropogenic Global Warming scare has driven global  Governments’ Climate and Energy Policies since the turn of the century. Hundreds of billions of dollars have been … Continue reading

Posted in IPCC, Solar | Tagged , , , , , , , | 268 Comments

Dr. David Whitehouse on the AR5 figure 1.4

Dr. David Whitehouse of the GWPF expounds on the “prime statistic of global warming” graph and its failure, as first reported here. The Leaked AR5 Report And Global Temperature Whatever one’s view about the leaking of the draft IPCC AR5 … Continue reading

Posted in IPCC, IPCC AR5 leak | Tagged , , , , , , , | 107 Comments

Hypocritical psychology professor Lewandowsky: Climate science is, like, super-transparent, only with lots of “confidential” documents; climate science is like gravity

From Tom Nelson, it was too good not to repost, especially when Lewandowsky hands out moral lessons while being immoral himself with his labeling skeptics as “moon landing deniers” with a gussed up survey and statistical slight of hand that … Continue reading

Posted in Climate ugliness, IPCC AR5 leak, Stephan Lewandowsky | Tagged , , , , , , , , | 161 Comments

Making Hay of sea level rise estimates

People send me stuff. You may recall this story from last week that raised a number of eyebrows due to the claims made within it by author William Hay. Dave Burton decided to take him to task. So far no … Continue reading

Posted in Alarmism, Sea level | Tagged , , , , | 30 Comments

Is Climate Change the Number One Threat to Humanity?

Guest post by Indur M. Goklany I have a new paper in Wiley Interdisciplinary Reviews: Climate Change, which asks the question, Is Climate Change the Number One Threat to Humanity? This is threshold question to which many who believe global … Continue reading

Posted in Economy-health | Tagged , , , , , , | 119 Comments

How the IPCC handles ignores factual author corrections in AR4

Since the errors in IPCC AR3 were outed, there’s been this general view from the skeptical climate community at large and here on WUWT that the IPCC is collectively an elitist, pigheaded, organization, resistant to change.  Recall ‘Voodoo Science’, as … Continue reading

Posted in IPCC, Ridiculae | Tagged | 36 Comments

Quote of the week – Judith Curry weighs in on BEST

Whoo boy. Judith writes: Muller bases his ‘conversion’ on the results of their recent paper?

Posted in Berkeley Earth Surface Temperature, Quote of the Week | Tagged , , , | 49 Comments

What else did the ’97% of scientists’ say?

Guest Post by Barry Woods I wonder just how many politicians, environmentalists or scientists who use the phrase ’97% of scientists’ (or those who more carefully use ‘active climate scientists’) to give weight to their arguments regarding climate change to the public, have any idea … Continue reading

Posted in Climate data, Consensus | Tagged , , , , , , , , | 120 Comments

Throwing down the gauntlet on reproducibility in Climate Science – Forest et al. (2006)

After spending a year trying to get the data from the author without success, Nic Lewis has sent a letter to the editor of Geophysical Research Letters (GRL) and has written to me to ask that I bring attention to … Continue reading

Posted in Climate sensitivity, Modeling, Peer review | Tagged , , , , , , , , | 82 Comments

Don’t worry about the ickle birdies

By Christopher Monckton of Brenchley in Rio de Janeiro “BUT what about the ickle birdies?” wailed the ancient, off-blonde representative of the planet’s indigenous peoples in the shapeless, grimy, crumpled eco-sackcloth shift that is de rigueur this season among the … Continue reading

Posted in Rio+20 | Tagged , , , , , , | 95 Comments

Weekly Climate and Energy News Roundup

Brought to You by SEPP (www.SEPP.org) The Science and Environmental Policy Project ################################################### Quote of the Week: This is the way the world ends This is the way the world ends This is the way the world ends Not with … Continue reading

Posted in Climate News Roundup | Tagged , , , , , , , | 7 Comments

New modeling analysis paper by Ross McKitrick

Dr. McKitrick’s new paper with Lise Tole is now online at Climate Dynamics. He also has an op-ed in the Financial Post on June 13. A version with the citations provided is here. Part II is here online, and the … Continue reading

Posted in Modeling | Tagged , , , , , , , , | 54 Comments

The Very Model Of A Modern Major Problem

Reposted from The GWPF by Dr. David Whitehouse There has been some discussion about a paper in Nature Climate Change by Gleckler et al that says they detect “a positive identification (at the 1% level) of an anthropogenic fingerprint in … Continue reading

Posted in Modeling | Tagged , , , , , , , | 57 Comments

March 2012 Sea Surface Temperature (SST) Anomaly Update – A New Look

Guest post by Bob Tisdale THE ADDITION OF CMIP3 (IPCC AR4) HINDCASTS/PROJECTIONS TO GRAPHS I’ve added a new feature to the graphs of the monthly sea surface temperature updates on a trial basis, and it is the multi-model mean of … Continue reading

Posted in Sea Surface Temperature | Tagged , , , , , , , | 49 Comments

New and Improved CRUTEM4 Global Land Surface Temperature Data vs IPCC AR4 (CMIP3) Climate Models

Guest post by Bob Tisdale INTRODUCTION Chapter 4-7 of If the IPCC was Selling Manmade Global Warming as a Product, Would the FTC Stop their deceptive Ads? included comparisons of the CRUTEM3 Land Surface Temperature anomalies to the multi-model mean … Continue reading

Posted in Climate data, Modeling | Tagged , , , , , , , | 77 Comments

Lower Climate Sensitivity Estimates: New Good News

Guest post by Chip Knappenberger, republished with permission from Master Resource (now on WUWT’s blogroll) “A collection of research results have been published in the peer-reviewed scientific literature in recent months that buoys my hopes for a low-end climate sensitivity.” … Continue reading

Posted in Climate sensitivity | Tagged , , , , , , , | 69 Comments

Climate Change Impacts In The USA are Already (NOT) Happening

by Craig Loehle, Ph.D. Many government reports by NASA, NOAA, EPA, USFWS, USFS, USDA and other agencies mention that climate change impacts are already observable in the USA. This is discussed in the context of endangered species conservation, forest resource … Continue reading

Posted in Climate_change | Tagged , , , , , | 230 Comments

Day of reckoning draws nearer for IPCC

According to Dr. Clive Best, A key prediction from the 2007 IPCC WG1 report fails statistical tests. AR4 figure for long term predictions for each scenario Abstract: Global temperatures measured since 2005 are incompatible with the IPCC model predictions made … Continue reading

Posted in IPCC, Modeling | Tagged , , , , , , , | 73 Comments

“Climate Deniers” Are Giving Us Skeptics a Bad Name

By S. Fred Singer Gallia omnia est divisa in partes tres.  This phrase from Julius Gaius Caesar about the division of Gaul nicely illustrates the universe of climate scientists — also divided into three parts.  On the one side are … Continue reading

Posted in Climate ugliness, IPCC | Tagged , | 296 Comments

Germany in skeptical turmoil on both Climate and Solar/Windfarms

I have two major stories out of Germany to report, one on the rise of Climate Skepticism into the mainstream, as Germany’s Top Environmentalist Turns Climate Sceptic, saying “I couldn’t take it any more. I had to write this book.” … Continue reading

Posted in Climate News, Energy, IPCC, wind power | Tagged , , , , , , , , , , , | 230 Comments

Cites and Signs of the times

Guest Post by Willis Eschenbach I’ve been involved in climate science for a while now, this is not my first rodeo. And I’ve read so many pseudo-scientific studies that I’m starting to develop a list of signs that indicate when … Continue reading

Posted in Alarmism, Ridiculae | Tagged , , , , , , , | 132 Comments