'Global Warming' Hockey Stick (Graph)

Image Credit: Mann, et al.

Original Caption:
The Hockey stick graph as shown in the 2001 IPCC report. This chart shows the data from Mann et al. 1999. The colored lines are the reconstructed temperatures, and the gray shaded region represents estimated error bars.

(Hockey stick controversy)
http://en.wikipedia.org/wiki/Hockey_stick_graph
http://en.wikipedia.org/wiki/Image:Hockey_stick_chart_ipcc_large.jpg