IPCC : That Medieval Warm Period We Used To Believe In Wrecks Our Story, Lets Get Rid Of It

• The IPCC rewriting ‘their own’ 1990 Medieval Warm Period historical temperature record, to suit the modern mann-made global warming hockey stick narrative. Ingenious.

• They were also kind enough to let us know the ‘global’ warming during the MWP existed without the presence of increased greenhouse gases: “This period of widespread warmth is notable in that there is no evidence that it was accompanied by an increase of greenhouse gases” IPCC WG1 Report 1990 (p202) http://www.ipcc.ch/ipccreports/far/wg_I/ipcc_far_wg_I_full_report.pdf

 

• For more on data tampering, see also:

1. Spectacularly Poor Climate Science At NASA
2. Tracking Climate Fraud
3. Data Tampering At USHCN/GISS
4. Hottest year ever? Skeptics question revisions to climate data
5. Thermometer Magic
6. EPA Throws Their Hat Into The Temperature Fraud Arena

Real Science

From the 1990 IPCC report. Remarkably, no one prior to Michael Mann had noticed that the world was heating out of control since 1860.

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