Cross-posted from ThinkProgress Green. This Saturday's Crankshaft cartoon took on global warming, noting that climate change is threatening Ohio's iconic buckeye trees, the namesake of the Ohio State Buckeyes. "Once it starts to affect football, they'll get moving on climate change," one character says: As greenhouse pollution from oil and coal continues to build, the Ohio buckeye (Aesculus glabra) is on its way out of the Buckeye State. Between 1990 and 2006, United States hardiness zones shifted northward, putting Ohio closer to the southern end of buckeye viability. That trend will accelerate. A 2007 study by Daniel W. McKenney and …
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Brad Johnson is the campaign manager of Forecast the Facts. He was previously the editor for ThinkProgress Green. Brad holds a bachelor's degree in math and physics from Amherst College and master's degree in geosciences from the Massachusetts Institute of Technology.