Fat Marmot Week is coming soon. Last winter was tough for the groundhog-like rodents living in the Colorado mountains.

Patagonia the clothing brand is suing Pattie Gonia the drag queen for $1. The central question is whether Pattie Gonia, who filed for a trademark last year, can sell clothing and other merchandise usi...

Iowa’s waterways face significant pollution challenges due to agricultural runoff and sewage. The problem impacts both recreation and public health.

Another severe wildfire season is forecast for the Western U.S. due to record-breaking heat and an abysmal snowpack.

After one of the worst snow years on record in the western United States, communities must live with less water.

Hydrologists working high in the Rocky Mountains have measured what they say is Colorado’s driest winter of snow moisture on record.

A team of scientists is driving into severe storms to study hail. It's one of the nation’s costliest but least-appreciated weather dangers.

Top weather agencies warn that the world should get ready for several years of even more record-breaking heat that pushes the globe to more deadly, fiery and uncomfortable extremes.

Hello and welcome to The Associated Press Climate Watch newsletter. I’m Brittany Peterson, an AP journalist covering Western water.

Comedians have long used jokes to raise awareness of serious problems, and many are now turning the gaze to climate change.

Officials in the Western U.S. who protect the public from avalanches are sounding the alarm about the Trump administration firing hundreds of meteorologists and other scientists.

Federal workers who were not let go said the afternoon layoffs included meteorologists who do crucial local forecasts in National Weather Service offices across the U.S.