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Obtained from Joe Romm at Think Progress; Joe got it from dana1981 of Skeptical Science.

Apologies to dana1981

And there you go. Choose your time interval carefully and hey! It's always cooling!

Look at the total run of data and you reach a different conclusion. Which, BTW, is what the actual scientists actually say in the actual peer-reviewed literature.

“Because of the pronounced effect of interannual noise on decadal trends, a multi-model ensemble of anthropogenically-forced simulations displays many 10-year periods with little warming.  A single decade of observational TLT data is therefore inadequate for identifying a slowly evolving anthropogenic warming signal.  Our results show that temperature records of at least 17 years in length are required for identifying human effects on global-mean tropospheric temperature.”

So if you see any blogging about climate change trends that uses a less than 17 year window - grain of salt. If they conclude it's not happening - your baloney detector should redline.

Originally posted to Science Matters on Sat Nov 05, 2011 at 03:27 PM PDT.

Also republished by Astro Kos.

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