Donald Boudreaux: More Weather Deaths? Wanna Bet? - WSJ.com

Contrary to what many environmentalists would have us believe, Americans are increasingly less likely to be killed by severe weather.

Climate Change Linked to Social Collapses in Greenland Since 800 B.C.: Scientific American

The Norse came to a new land around the end of the first millennium, borne on the backs of their Viking long ships and lured away from Iceland by the promise of Erik the Red's Greenland. The land was indeed green when they landed—and stayed that way for several centuries until natural variations in the planet's climate cooled the world's largest island by 4 degrees Celsius. Years of such cool summers doomed the Greenland Norse, and their outpost froze to death by 1500.
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"You have an interval when the summers are long and balmy and you build up the size of your farm," says D'Andrea of the Norse interlude. "Then suddenly, year after year, you go into this cooling trend and the summers are getting shorter and colder and you can't make as much hay. You can imagine how that particular lifestyle may not be able to make it."