International

"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."

"Microplastics have been found in human testicles, with researchers saying the discovery might be linked to declining sperm counts in men."

"A new study uses genetics to chart cockroaches’ spread across the globe, from humble beginnings in southeast Asia to Europe and beyond. The findings span thousands of years of cockroach history and suggest the pests may have scuttled across the globe by hitching a ride with another species: people."

"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."

"Donald Trump would likely push to replace the head of the International Energy Agency if he wins the U.S. presidential election to shift the energy watchdog's focus back to maximizing fossil fuel output instead of fighting climate change, according to people familiar with the matter."

"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."

"More than 4,000 species around the world are being targeted by wildlife traffickers, causing “untold harm upon nature”, a UN report has warned."