Mardi Gras in New Orleans can generate more than 1,000 tons of trash every year. A coalition of nonprofit groups, city officials and scientists has a plan to clean it up. By Jackie Delamatre New ...

Charlotte Shilts, 4, of Fredericksburg, Va., plays on the north shore beach Oct. 19 at Devil’s Lake State Park with her father, Matthew, and 7-year-old sister, Elizabeth, in the background. They hiked ...

CARSON CITY, Nev. - Environmental groups say they will ask the federal government to revoke Nevada's authority to enforce environmental protection laws because of a state panel's decision to cut the ...

Continued global heating could set irreversible course by triggering climate tipping points, but most people unaware The world is closer than thought to a “point of no return” after which runaway ...

When’s the last time you walked without your phone in hand or headphones in your ear? Or ambled just for the pure pleasure of putting one foot in front of the other, taking in your surroundings with ...

Editor's note: This story first appeared Sunday as an exclusive for our print readers. Cloudy water. White flakes in the teakettle. Spots on glasses and chalky residue on dishes. More than 400 such ...