A biologist discovered a decomposing bighorn sheep tangled in concertina wire recently strung in Imperial County, part of an effort to deter illegal immigration. Advocates had warned of danger to migrating animals.

Residents of Monterey Park voted overwhelmingly to ban data centers, making the San Gabriel Valley city the first in the nation to do so by public vote.

With energy demand already straining infrastructure, AI players are reimagining the data center from the ground up.

Local governments in a few U.S. towns and cities have banned data centers, but Monterey Park could be the first city to ban them by popular vote.

Tests of a new desalination technology in a reservoir near Westlake Village were a success. Next comes an ocean trial off Southern California.

A new study says the size and damage from hailstones will increase in a warming world

When Tehran oil infrastructure caught fire in March after Israeli strikes, the blaze produced toxic fumes detectable across an area the size of Italy.

Wildfire resiliency advocates warn that reduced funding could leave California more vulnerable to devastation, and are calling on California leaders to act.

The updated cap-and-invest program determines how aggressively the state will curb planet-warming greenhouse gas emissions and how billions of dollars in revenue will flow.

Jose Manuel Perez trafficked reptiles worth more than $739,000 into the U.S. from Mexico and Hong Kong, using social media to make deals, according to federal officials.