Whitewater rafters portaged a boat for 16 miles beside the Kern River, protesting the removal of water for a hydropower plant ...

Parts of four counties in Southern California are under flood watches, according to the National Weather Service. The storm is a continuation of the atmospheric river , which dumped over a foot of ...

The atmospheric river smashed several daily rainfall records Sunday in Southern California, and Swain said it is likely that the region will come close to — or even exceed — an all-time 24 ...

On Sunday, June 29, a group of paddlers will embark on a demanding 16-mile portage around Southern California Edison’s Kern ...

A second and more powerful atmospheric river-fueled storm is set to bring potentially life-threatening flooding across Southern California from Sunday into next week after an earlier storm already ...

Someone trying to enter the United States was swept up by a swollen Tijuana River channel and died early Tuesday at the California-Mexico border, according to U.S. Customs and Border Protection.

The new wastewater-recycling program in Southern California fits nicely into the Biden administration’s climate-change goals. In May, officials secured almost $100 million for design and planning.

A growing number of Southern California cities affected by the ongoing Tijuana River sewage crisis are issuing local state-of ...

The river provides water to hundreds of thousands of acres of farmland and 40 million people in seven U.S. states (California, Colorado, Wyoming, Utah, New Mexico, Arizona and Nevada) and northern ...

A new plan to reroute how water moves from wetter Northern California to drier Southern California would ferry some of it through a single, 45-mile (72-kilometer) underground tunnel.