The article that promises to drive a stake into the heart of the hockey-stick model is about to be published. The bottom line can be seen in this graph (available here):
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"MBH98" (the light line) is the infamous hockey-stick depiction of Earth's temperature trend. "Recalculated" (the dark line) is the correct depiction.
As I have written before -- here, here, and here, for instance -- there's evidence that global warming has little to do with human activity and a lot to do with extraterrestrial events.
(Thanks to FuturePundit for the tip.)