Another Round Of Anti-Science From The IPCC
August 19, 2021
tags: hockey stick, IPCC
By Paul Homewood
Francis Menton writes about the latest Hokey Stick!
What with the ongoing catastrophe in Afghanistan and the earthquake in Haiti, among other news, you may have failed to notice that the IPCC came out on Monday with substantial parts of its long-awaited Sixth Assessment Report on the state of the world’s climate. This is the first such assessment issued by the IPCC since 2014. The most important piece is the so-called “Summary for Policymakers,” (SPM), a 41 page section that is the only part that anyone ever reads.
The IPCC attempts to cloak itself in the mantle of “science,” but its real mission is to attempt to scare the bejeezus out of everyone to get the world to cede more power to the UN. Beginning with its Third Assessment Report in 2001, the lead technique for the IPCC to generate fear has been the iconic “hockey stick” graph, supposedly showing that world temperatures have suddenly shot up dramatically in the last 100 or so years, purportedly due to human influences. The 2001 Third Assessment Report thus prominently featured the famous Hockey Stick graph, derived from the work of Michael Mann and other authors. Here is that graph from the 2001 Report:
As longtime readers here know, the Hockey Stick was then demolished by the work of Canadian mathematician Stephen McIntyre through his work at his website Climate Audit. The main issue was that the temperature “proxies” that had been used to create the “shaft” of the Hockey Stick, particularly various tree ring series, could not be shown to have any close relationship to actual temperatures; and moreover, there were strong reasons from many sources to think that the Medieval Warm Period (approximately 1000 – 1300 AD) had been warmer than the present.
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