"Climate scientists are increasingly concerned that global heating will trigger tipping points in Earth’s natural systems, which will lead to widespread and possibly irrevocable disaster, unless action is taken urgently."

"A wildfire in northern Arizona crept closer to the region’s largest city Tuesday, threatening to force people from their homes. The lightning-caused fire near Flagstaff was one of dozens that have scorched large swaths of the U.S. West and kept firefighters busy as they hold out hope that the monsoon season will deliver some significant rain."

"An attempt to save the Tasmanian devil by shipping an “insurance population” to a tiny Australian island has come at a “catastrophic” cost to the birdlife there, including the complete elimination of little penguins, according to BirdLife Tasmania."

"After a historically dry winter, some growers are farming less land, switching crops, and trucking in water, or taking the season off entirely."

"The record-breaking temperatures this week are a weather emergency, scientists and health care experts say, with heat responsible for more deaths in the U.S. than all other natural disasters combined. With more frequent and intense heat waves likely because of climate change and the worst drought in modern history, they say communities must better protect the vulnerable, like homeless people and those who live in ethnically and racially diverse low-income neighborhoods."

"Millions of people across the South are bracing for a tropical storm that is threatening to dump heavy rain along the Gulf Coast."

"The record-breaking heat wave roasting the West is expanding its grip on Thursday, with the focus of the triple-digit heat shifting into California — particularly the Central Valley and desert regions."

"When a natural gas pipeline fire south-west of New Orleans killed one worker and burned three others, the Louisiana state police ordered Phillips 66 to pay a $22,000 fine for failing to immediately report the incident. The fire burned for four days before first responders could put it out. But the company ultimately didn’t pay any police fine, ending up with just a warning."

"Much of the western United States baked for a third day on Wednesday under a punishing heat wave that has set temperature records, prompted health warnings and strained power grids."

"Two new reports draw attention to the scant laws safeguarding farmworkers’ health, including from worsening extreme heat."