Climate Audit: IPCC AR6 is Worse than you Thought

Steve McIntyre is at it again, dissecting questionable climate science. If you thought Michael Mann’s original climate hockeystick was interesting, with its intriguing apparent use of upside down proxies and…

The Great #Coronavirus Lockdown Hockey Stick Twitter Brawl

[Note: This post is full of inside baseball (jokes) for OLD time readers. However there is tons of content for anyone wishing to explore any of the branches of this…

The Inventor of the Global-Warming 'Hockeystick' Doubles Down

Professor Michael Mann, if you see something, say something – or maybe just keep your mouth shut Guest essay by  Dr. Fred Singer Professor Michael Mann, the inventor of the…

The FOIA coping response in climate scientists

Guest essay by Chris Horner The curiously titled article, “Climate scientists, facing skeptics’ demands for personal emails, learn how to cope”, in today’s E&E News “ClimateWire” http://www.eenews.net/climatewire/2014/01/21/stories/1059993161 (paywalled), is characteristic…

Intelligence and the hockey stick

Guest essay by Christopher Monckton of Brenchley In 1990, the IPCC’s First Assessment Report showed a schematic demonstrating the then understanding that the medieval warm period had been appreciably warmer…

Paleoscientist: Mann’s recent work was a ‘crock of xxxx’

From the soon to be a Climate Crock of the Week department, Barry Woods writes to me in an email: One of the insights in the climategate emails was perhaps…

IPCC throws Mann's Hockey Stick under the bus?

While the media circulates the talking points pre-release “leaked draft” of IPCC’s AR5 amongst themselves, there are a few nuggets of interest coming out here and there we can write…

Marcott's hockey stick uptick mystery – it didn't used to be there

At Climate Audit, Something odd has been discovered about the provenance of the work associate with the Marcott et al paper. It seems that the sharp uptick wasn’t in the…

Another Hockey Stick?

Guest post by S. Fred Singer Green forces, eager to promote their theories of global warming, appear to be practicing intellectual recycling.  Is this the return of the notorious hockeystick…

Another hockey stick – this one billed as 'scarier' than Mann's

I had to chuckle at the cacophony of Twitfests going on today over this new study from Marcott et al. I especially liked the Mother Jones headline being Tweeted: “The…

Mann's hockey stick disappears – and CRU's Briffa helps make the MWP live again by pointing out bias in the data

Shock, awe. Untruncated and unspliced data used in a new paper from Briffa and Melvin at UEA restores the Medieval Warm Period while at the same time disappears Mann’s hockey…

Friday Funny: Hilarious Mann email, IPCC icon 'pretty cool'

Chris Horner sends us another Michael Mann Email from the NOAA FOIA release. One should remember this statement from Dr. Mann before continuing: Mann: ‘I always thought it was somewhat…

Another paper refutes the Mann made hockey stick – MWP was ≈1°C warmer than current temperatures

This new paper uses a rather unique proxy; high-resolution samples micromilled from archaeological shells of the European limpet, Patella vulgata. Mr. Limpet would be proud. A paper published this week…

Hump Day Hilarity: Bringing in the sieves

Science by Lucia, cartoon by Josh. Josh writes: Yesterday Lucia sent me an email about the recent Gergis et al ‘on hold’ paper with the subject title “Do you understand…

American Meteorological Society disappears withdraws Gergis et al paper on proxy temperature reconstruction after post peer review finds fatal flaws

UPDATE: It appears the paper has been withdrawn and credit acknowledgement given to Steve McIntyre, see below: There was yet another recent “hockey stick” being foisted on the public. Gergis…

Quote of the week – Myles Allen's "failure to communicate"

Steve McIntyre writes at Climate Audit: Bishop Hill links to a presentation by Myles Allen to a 2011 conference on Climategate, which like every other such handwringing introspection by climate…

A first hand report on Dr. Michael Mann's embarrassing Disneyland episode

Elevated from a comment. Roger Sowell describes first hand what led up to Mann denying a TV interview about his work. Apparently, for Dr. Mann, Disneyland is not “the happiest…

The 1000 year Australian hockey itch

From the University of Melbourne, I’m sure Julia and Flannery are thrilled at this paleo-reconstruction, and of course, the blame goes on Mann, er man. I find it interesting though…

Letter to the editor: A wish for Dr. Michael Mann to clear some things up from an errant PSU grad

by Joe Bastardi Being I am branded as a “denier”, I am having trouble dismissing the relevance of the tree ring studies that challenge the hockey stick, in light of…

Josh on McIntyre's rebuttal of Mann's book

As I reported in McIntyre’s rebuttal of Michael Mann’s pants-on-fire book,  Steve McIntyre came out of hiatus yesterday to pen his rebuttal to Mike Mann’s book, seen below. The points Steve…

Madrid 1995: Was this the Tipping Point in the Corruption of Climate Science?

Reposted with permission from Enthusiasm, Scepticism and Science John Haughton writes of it under the heading:  Meetings that Changed the World. He may be right but not only in the…

Josh on Mann's Jurassic Moment

Moviegoing readers of WUWT probably remember this famous moment from a famous film based on a Michel Crichton book. While “State of Fear” might come to mind first, it’s actually…

Hockey stick falsification – so easy a caveman kid can do it

With apologies to the Geico caveman, paleoclimatology isn’t just for grant enabled scientists anymore. Priceless Climategate email 682: Tom Wigley tells Michael Mann that his son did a tree ring…

A short anthology of changing climate

Guest post by Tony Brown Context is everything, and nowhere more so than in climate history, where a graphic such as this seems to illustrate an alarming uptick in temperatures…