IPCC throws Mann’s Hockey Stick under the bus?

Watts Up With That?

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 about. One such nugget is contained in a series of bullet points on the Washington Post Capital Weather Gang in an article by Jason Samenow:

7) The 30 years from 1983-2012 was very likely the warmest 30-year period of the last 800 years.

That is an interesting statement, not so much for what it says, but for what it doesn’t say. A caveat; that’s likely the reporter’s summary, not the exact text from the IPCC “leaked draft”. IPCC verbiage tends to be a bit more bloated. But, I think it is a fair summary.

Bishop Hill points out what was said in IPCC’s AR4 in 2007:

Average Northern Hemisphere temperatures during the second half of the 20th century were very…

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I’m 100% Sure That The IPCC Is Lying

UPDATE

Understanding 400 PPM

  • Since Hansen first warned us in 1988, CO² has risen 50 PPM. That is the atmospheric equivalent of five additional people in the Rose Bowl.
  • You can see four of them wearing red, and the other one is in the bathroom.

ScreenHunter_306 Aug. 16 17.05

Real Science

Drafts seen by Reuters of the study by the UN panel of experts, due to be published next month, say it is at least 95 percent likely that human activities – chiefly the burning of fossil fuels – are the main cause of warming since the 1950s. That is up from at least 90 percent in the last report in 2007, 66 percent in 2001, and just over 50 in 1995, steadily squeezing out the arguments by a small minority of scientists that natural variations in the climate might be to blame.

Experts surer of manmade global warming but local predictions elusive – World – DNA

They are so sure, that Kevin Trenberth sent this letter out :

Selection_006

They can’t explain the lack of warming, but they are 95% sure that the warming they aren’t seeing is caused by man.

James Hansen wrote this in 1999.

in the U.S. there has been…

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