"Two prominent environmental groups sued the Trump administration Monday, arguing it is breaking the law by cutting penalties for automakers that do not meet Obama-era fuel efficiency standards."

"The top U.S. auto safety official, a key player in efforts by President Donald Trump’s administration to rollback the nation’s vehicle fuel efficiency requirements, will step down at the end of the month, the Transportation Department announced on Monday."

"The last coal-fired unit at a major power plant run by FirstEnergy Solutions Corp. in Pennsylvania will close its doors this November, retiring 19 months ahead of schedule, the utility announced Friday."

"The gases heating the planet in 2018 were higher than humans have ever recorded, according to an authoritative new report from the American Meteorological Society and the US government."

"The Trump administration took its final step Monday to weaken the Endangered Species Act, a bedrock law that brought the bald eagle, the American alligator, the California condor, the humpback whale and the grizzly bear back from the brink of extinction."

"As the United States suffers through a summer of record-breaking heat, new research shows that temperatures on a scorching summer day can vary as much as 20 degrees across different parts of the same city, with poor or minority neighborhoods often bearing the brunt of that heat."

"Joshua trees have dotted the Mojave desert for 2.5m years, but even if humans take urgent action to combat the climate crisis, their decimation is all but ensured by the end of this century, a study has found."

"Democratic National Committee chief Tom Perez has proposed a resolution on the climate crisis that activists fear could be an attempt to undermine the push for a presidential primary debate devoted entirely to global warming."

"Greta Thunberg, at age 16, has quickly become one of the most visible climate activists in the world. Her detractors increasingly rely on ad hominem attacks to blunt her influence."