A Tale of Two Hockey Sticks
Real Climate
AUGUST 9, 2021
Two decades ago, the so-called “Hockey Stick” curve , published in 1999 by me and my co-authors (Mann, Bradley and Hughes, 1999) , was featured in the all-important “Summary for Policy Makers” (SPM) of the 2001 IPCC Third Assessment report. Featured two decades later now in the AR6 SPM is a longer Hockey Stick with an even sharper blade.
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