Sun Makes History: First Spotless Month in a Century:
According to data from Mount Wilson Observatory, UCLA, more than an entire month has passed without a spot. The last time such an event occurred was June of 1913. Sunspot data has been collected since 1749.
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In the past 1000 years, three previous such events — the Dalton, Maunder, and Spörer Minimums, have all led to rapid cooling. On was large enough to be called a “mini ice age”. For a society dependent on agriculture, cold is more damaging than heat. The growing season shortens, yields drop, and the occurrence of crop-destroying frosts increases.