The Midwest has been drenched by rain and beset by floods. California is bracing for wildfires after several years of record-breaking burns. Hurricane season is just getting into gear in the Atlantic Ocean, which has been hit by more storms than usual over the past three years, and those storms have been above-average in intensity. Heat waves have been increasing across the country for decades. Just last weekend, New Yorkers were being warned to use less air conditioning to prevent blackouts — and to charge their phones for when the blackouts would inevitably happen.