August 30, 2019 (American Thinker) — Michael Mann, a climatologist at Penn State University, is the creator of the “hockey stick graph” that appears to show global temperatures taking a noticeable swing upward in the era when humanity has been burning fossil fuels and dumping CO2 into the atmosphere. The graph was first published in 1998, was prominently featured in the 2001 U.N. Climate Report, and formed part of Al Gore’s 2006 movie An Inconvenient Truth.
The graph’s…
