For scientists, the havoc wreaked by the extreme winter weather that hit Texas in mid-February dropping several inches of snow and leaving millions without power did not come as a surprise. Ten years ago, in 2011, energy regulators warned the state’s electric-grid operators that they were ill-prepared for an unprecedented winter storm. And for decades before that, climate scientists had cautioned that a warming planet would cause climate chaos, raising the average global temperature while driving unusual weather events like this one. For Texas, it was always just a matter of time. more...