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…

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…

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…

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:

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…

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,…

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…

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…

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…

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…

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,…

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…

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…

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…

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…

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…

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…

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…

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?…

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…

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?

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…

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…

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…

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