Pre-Columbian America was plagued by decades-long megadroughts

Anthony Watts writes at Watts Up With That In the August issue of Physics Today, climate scientists Toby Ault and Scott St. George share a pair of startling research findings. Between roughly 800 and 1500 CE, the American West suffered a succession of decades-long droughts, much longer than anything we’ve endured in modern history. And … Continue reading "Pre-Columbian America was plagued by decades-long megadroughts"

via The Next Grand Minimum

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August 9, 2018 at 09:49PM

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