This latest alarm is about the eastward shift of the above climate zone boundary, which historically was located upon the 100th meridian. The narrative by alarmists is along the lines of “OMG, we are screwed because drylands are replacing wetlands. There goes our food supply.” Some of the story headlines are these:
As World Warms, America’s Invisible ‘Climate Curtain’ Creeps East
The arid US midwest just crept 140 miles east thanks to climate change
America’s Arid West Is Invading the Fertile East
A major climate boundary in the central U.S. has shifted 140 miles due to global warming
From USA Today
Both population and development are sparse west of the 100th meridian, where farms are larger and primarily depend on arid-resistant crops like wheat, the Yale School of Forestry & Environmental Studies said. To the more humid east, more people and infrastructure exist. Farms are smaller and a large portion…
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