Dozens of bodies were discovered in Delhi during a two-day stretch this week when even sundown brought no relief from sweltering heat and humidity. Tourists died or went missing as the mercury surged in Greece. Hundreds of pilgrims perished before they could reach Islam’s holiest site, struck down by temperatures as high as 125 degrees.The scorching heat across five continents in recent days, scientists say, provided yet more proof that human-caused global warming has so raised the baseline of normal temperatures that once-unthinkable catastrophes have become commonplace.The suffering came despite predictions that a year-long surge of global heat might soon begin to wane. Instead, in the past seven days alone, billions felt heat with climate change-fueled intensity that broke more than 1,000 temperature records around the globe. Hundreds fell in the United States, where tens of millions of people across the Midwest and Eastern Seaboard have been sweltering amid one of the worst early-s...
