Glimpse into the mining history of the region at this Arizona ghost town, which is filled with souvenirs and exciting Wild ...

Federal actions like the 1970 Clean Air Act and the 1972 Clean Water Act helped regulate water and air pollution.

Rubel Castle rises from the San Gabriel foothills like a fever dream made solid—a fortress built from concrete, river rocks, and an astonishing array of salvaged materials that would make any junkyard ...

At Caltech, researchers have turned living jellyfish into low-cost, remotely controlled ocean robots — creating real-life ...

The trucks (and the volunteers inside them) were on a time-sensitive mission: refilling artificial water sources in the California desert for parched bighorn sheep.

President Donald Trump met with victims' families and surveyed the damage of catastrophic floods that struck the state one week ago.

Rescue and recovery personnel from 13 states are assisting Texas with recovery efforts in the aftermath of a deadly July 4 flash flood event that killed ...

Housing bills in California often face fierce opposition from construction unions, but this time, the carpenters’ union went their own way.

Together, these companies provide regulated and non-regulated water and wastewater service to more than 2.1 million people in California, Hawaii, New Mexico, Washington, and Texas.

California’s hydrogen hub supports clean energy, job creation and economic growth while helping achieve California’s climate-neutral goals by 2045.

Human remains have been found at the warehouse filled with fireworks that exploded in Northern California this week, officials said.

As Diablo Grande, a planned neighborhood in Central California, runs out of water, residents face a 300% rate hike.