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This post will be a sticky top post for a day or two, new stories will appear below this one.Climategate ContinuesBy Andrew Montford & Harold AmblerMay 24, 2012 4:00 A.M. in the National Review – reposted here with permissionClimategate, the 2009 exposure of misconduct at the University of East Anglia, was a terrible blow to the reputation of climatology, and indeed to that of British and American science. Although that story hasn’t been in the news in recent months, new evidence of similar scientific wrongdoing continues to emerge, with a new scandal hitting the climate blogosphere just a few days...

Some years ago when I was investigating the climate change issue in my spare time, I ran across a short article by James Hansen on the GISS website under “Education Resource Materials”, dated January, 1999. James Hansen is arguably the father of modern Anthropogenic Global Warming dogma. So I saved the web page for future reference because of some of the predictions contained within it, as well as the incredibly balanced and well-reasoned attitude expressed regarding the philosophy of scientific investigation. We could all benefit from Dr. Hansen’s wisdom. For example, “Skepticism thus plays an essential role in scientific research,...

As many readers are probably aware, there has been an important new posting at Climate Audit about the Yamal affair. This posting is an attempt to set out the whole story of Yamal. It reworks an article I did in 2009 and incorporates new developments since that time. I hope readers find it useful. I have also prepared a Kindle version of the post, for which there is a small charge - click here:Please also consider hitting the tip jar.The story of Michael Mann's Hockey Stick reconstruction, its statistical bias and the influence of the bristlecone pines is well known....

Phil Jones’ first instinct on learning about Climategate was that it was linked to the Yamal controversy that was in the air in the weeks leading up to Climategate. I had speculated that CRU must have done calculations for Yamal along the lines of the regional chronology for Taimyr published in Briffa et al 2008. CRU was offended and issued sweeping denials, but my surmise was confirmed by an email in the Climategate dossier. Unfortunately neither Muir Russell nor Oxburgh investigated the circumstances of the withheld regional chronology, despite my submission drawing attention to this battleground issue. I subsequently submitted...

This will be a top sticky post for a day or two – new stories appear below this one.In the over 7,000 published stories here on WUWT, I have never used the word “liar” in the headline to refer to CRU and the Yamal affair. That changes with this story.I’ve always thought that with CRU, simple incompetence is a more likely explanation than malice and/or deception. For example, Phil Jones can’t even plot trends in Excel. In this particular case, I don’t think incompetence is the plausible explanation anymore. As one commenter on CA (Andy) said “I suspect the cause...

Global Warming: Russian analysts accuse Britain's Meteorological Office of cherry-picking Russian temperature data to "hide the decline" in global temperatures. Is Copenhagen rooted in a single tree in Siberia? Michael Mann, a Penn State meteorologist, wrote in Friday's Washington Post that "stolen" e-mails from the University of East Anglia's Climate Research Unit still don't alter the evidence for climate change. Mann, a creator of the discredited hockey-stick graph used in reports from the U.N.'s Intergovernmental Panel on Climate Change to show man-made warming, attacks climate skeptics, including former Alaska Gov. Sarah Palin, saying they "confuse the public." Chutzpah has been...

While I appreciate the efforts of the President, Al Gore, and all of Hollywood to save Earth from its “fever,” I do have one question: What SHOULD the Earth’s temperature be?

Odd things are going on at the Climate Research Unit at the University of East Anglia. Widely available data, existing in the public view for years, is now disappearing from public view. For example this link to Keith Briffa’s Yamal data: Keith Briffa’s Yamal data

Beginning in 2003, I worked with Stephen McIntyre to replicate a famous result in paleoclimatology known as the Hockey Stick graph. Developed by a U.S. climatologist named Michael Mann... ...Steve and I showed that the mathematics behind the Mann Hockey Stick were badly flawed, such that its shape was determined by suspect bristlecone tree ring data. ...a series of other studies published since 1998 had similar shapes, thus providing support for the view that the late 20th century is unusually warm. The IPCC also made this argument in its 2007 report. But the second expert panel, led by statistician Edward...

Britain’s Hadley Climate Research Unit, University of East Anglia, suffered a data breach in recent days when a hacker apparently broke into their system and made away with thousands of emails and documents. The stolen data was then posted to a Russian server and has quickly made the rounds among climate skeptics. The documents within the archive, if proven to be authentic, would at best be embarrassing for many prominent climate researchers and at worst, damning.

My attention has been drawn to a comment by Steve McIntyre on the Climate Audit website relating to the pattern of radial tree growth displayed in the ring-width chronology "Yamal" that I first published in Briffa (2000). The substantive implication of McIntyre's comment (made explicitly in subsequent postings by others) is that the recent data that make up this chronology (i.e. the ring-width measurements from living trees) were purposely selected by me from among a larger available data set, specifically because they exhibited recent growth increases. This is not the case. The Yamal tree-ring chronology (see also Briffa and Osborn...

The Yamal Implosion September 29, 2009 There is a great deal of excitement among climate sceptics over Steve McIntyre's recent posting on Yamal. Several people have asked me to do a layman's guide to the story in the manner of Caspar and the Jesus paper. Here it is. The story of Michael Mann's Hockey Stick reconstruction, its statistical bias and the influence of the bristlecone pines is well known. McIntyre's research into the other reconstructions has received less publicity, however. The story of the Yamal chronology may change that.

A fascinating, hot-off-the-presses story emerges from the emails that were hacked yesterday from the University of East Anglia's Hadley Climatic Research Centre. It is one of many exchanges that shed light on the priority that the global warming alarmists give to politics and career advancement over science. The story began when Steve McIntyre, the same researcher who was largely responsible for destroying Michael Mann's "hockey stick" graph purporting to show unprecedented warming in the 20th century, turned his attention to a famous article published by Keith Briffa of East Anglia's CRU in 2000. This article analyzed the diameters of tree...