Supporters say a regional energy market would benefit renewables and accelerate climate progress. Critics say it would ...

According to a study, various parts of the state have levels of arsenic in drinking water at higher than 5 micrograms per liter.

California’s weather whiplash has left the Golden State in a place of severe uncertainty about its diminishing water supply and increasing human and environmental demands for water.

The landmark California environmental legislation that lawmakers have voted to walk back will allow for crucial infrastructure to take place.

Agustin and Ricarda Toledo loaded eight empty 5-gallon jugs onto their truck and drove to a water store some 14 miles from ...

The West’s most important river has shriveled over the past quarter century — and its leading climate scientist says things ...

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.

California lawmakers and Gov. Gavin Newsom on Monday passed major changes to the California Environmental Quality Act in what supporters say is a historic move to get more housing built across the ...

Through nearly two decades marked by drought, climate change and growing demand for water, Arizona state Rep. Gail Griffin ...

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

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.