Smalltooth sawfish in the Florida Keys are afflicted with a mysterious disease that causes them to swim in circles until they die.

Yarrow’s spiny lizard, a 3-million-year-old species that lives in the Mule Mountains of Arizona, appears to be extinct because its “sky island” became too hot.

There is now 50 percent more CO2 in the atmosphere than before the Industrial Revolution.

In one of its most powerful climate actions yet, the EPA tells coal and gas plants that by 2032 they must reduce or capture 90 percent of their greenhouse gas emissions.

On sunny days, California produces more solar power than it can use, leading it to “curtail,” or throw away, the excess.

After manufacturers scrap plans to make gigantic, 18-megawatt wind turbines, New York cancels three offshore wind projects because of the added cost of siting more, smaller models. 

The National Park Service and the Fish and Wildlife Service want to restore grizzly bears to Washington State’s North Cascades region.

Because of the rapid spread of bird flu among farm animals, the USDA mandates testing for dairy cows when they are transported over state lines. 

A celebrity fashion designer who accessorized Britney Spears and the cast of Sex in the City is sentenced to 18 months in prison for smuggling crocodile handbags to the US from her native Colombia. 

New Delhi’s vast Ghazipur landfill catches on fire.

Stockholm bans gas and diesel cars from its city center. 

Workers at Volkswagen’s factory in Chattanooga, Tennessee, vote overwhelmingly to join the United Auto Workers, the first auto plant in the South to do so. 

The Biden administration blocks the Ambler Road, a proposed 211-mile industrial haul road just outside Gates of the Arctic National Park.

Yosemite National Park’s High Sierra camps will reopen after a five-year closure.