#USA #US A new study has found that a snow drought this severe would have struck roughly once every 30 years in the preindustrial climate. Under today’s climate, the same event comes around nearly every seven years, about four times more often, a shift that turns what used to be a once-in-a-generation event into something closer to routine #ClimateChange #UpheavalClimate #ClimateInstability #ClimateReversal #MassAtrocity #pollution #ecology #environment #climate