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Is the Hockey Stick Graph Dead?

November 15, 2014

Watts Up With That?

Novice warmist debunks Michael Mann

Guest essay by Doug L. Hoffman

Image by Joanne Nova Image by Joanne Nova

For those of us who have followed the climate debate for a long time, the notion that Michael Mann’s Hockey Stick graph might be dead is counter intuitive. For us, the Hockey Stick graph is central to the debate. It’s appearance in one brilliant stroke swept all discussion of the physics of climate change aside, wiped out discussion of sensitivity and natural variability, destroyed in the public’s mind any notion other than climate change was catastrophic and already upon us. Even the climate models played second fiddle to Mann’s tree ring chronology. I submit however, that the Hockey Stick is in fact dead, a symbolic (but important) final blow being struck at WUWT, not by a skeptic, but by a warmist. (Patience, I’ll get to that).

Of course Michael Mann is a major thorn in…

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