In Mexico, September means chiles en nogada season. But one key ingredient, a candied barrel cactus called biznaga, is now illegal because it's vanishing in the wild.

More than a hundred countries have committed to fresh plans to curb pollution - with one big holdout: The U.S. NPR's Andrew Limbong speaks with the EU Commissioner for Climate, Wopke Hoekstra, about how global leaders are moving forward on climate goals with the U.S. on the sidelines.

The National Hurricane Center said Tropical Storm Imelda could intensify as it approaches the East Coast. South Carolina's governor declared a state of emergency.

The Ohio River stretches from Pittsburgh to Mississippi, and the basin is more than 200,000 square miles.

A pair of studies show that American rivers are getting hotter, posing a risk for many fish species.

A restaurant recycling program in Southern California is helping divert food waste from landfills while restoring oyster beds along the shoreline.

One year since Hurricane Helene devastated southeast America, we look at how Appalachia is recovering, healing and learning after Helene brought extreme landslides and flooding to the area.

Typhoon Ragasa whipped waves taller than lampposts onto Hong Kong promenades and turned seas rough on the southern Chinese coast after leaving deadly destruction in Taiwan and the Philippines.

Camp Mystic plans to reopen next summer near the site where 27 girls and counselors died in a July flood.

Hundreds of swimmers in Chicago joined the first open-water event on the Chicago River in a century, celebrating the city's progress in restoring a waterway once considered a toxic wasteland.