"As the era of "global boiling" spawns ever deadlier heatwaves, a handful of heat tsars are working with officials in cities from Miami to Melbourne in a race against time to cool urban heat traps and prevent tens of thousands of deaths."

"One of the big contributors to the record-breaking global temperatures over the past year—El Niño—is nearly gone, and its opposite, La Niña, is on the way."

"More than a third of the Amazon rainforest is struggling to recover from drought, according to a new study that warns of a “critical slowing down” of this globally important ecosystem."

"A massive Antarctic glacier, which could raise global sea levels by up to two feet if it melts, is far more exposed to warm ocean water than previously believed, according to a study published Monday."

"Cyberattacks against water utilities across the country are becoming more frequent and more severe, the Environmental Protection Agency warned Monday as it issued an enforcement alert urging water systems to take immediate actions to protect the nation’s drinking water."

"Several meteorological ingredients, including record-warm land and ocean temperatures from the Florida Keys to Mexico, helped fuel the destructive storms."

"In scorching heat on a busy Kolkata street last month, commuters sought refuge inside a glass-walled bus shelter where two air conditioners churned around stifling air. Those inside were visibly sweating, dabbing at their foreheads in sauna-like temperatures that were scarcely cooler than out in the open."

"It’s a grim — and familiar — start to wildfire season in Western Canada as tinder-dry forests go up in flames."

"Ocean temperatures that have gone “crazy haywire” hot, especially in the Atlantic, are close to making the current global coral bleaching event the worst in history. It’s so bad that scientists are hoping for a few hurricanes to cool things off."

"The nation’s electric grid monitor warned Tuesday that areas of New England, the Upper Midwest and the Southwest face potential energy emergencies if severe heat waves strike this summer, including risks of rolling outages."