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Twenty-four starving wild horses were evacuated from deep snow near Mammoth Lakes, though one died and three were euthanized. The incident has stirred up heated debate about what's best for their herd.

With many rivers and aquifers tapped beyond their limits, UN scientists say the world is entering an era of 'water bankruptcy.'

A bill in Congress seeks to eliminate different state recycling requirements and labeling by creating a single, national standard that would be voluntary.

Southern California Edison sued Los Angeles County, water agencies and two companies including SoCalGas Friday, saying their mistakes contributed to the deadly and destructive toll of last year's Eaton wildfire.

The justices will not resolve the decades-long dispute over whether Roundup's key ingredient, glyphosate, causes cancer.

SoCal Edison says it expects to pay little or none of the billions of dollars in damages of the disastrous Eaton fire, which its equipment is suspected of igniting. A growing number of wildfire survivors say that's not right.

Nancy Ward, the head of CalOES, left office on Dec. 30. She had publicly begged FEMA to test for toxic substances after the fires -- then, according to an internal memo obtained by the L.A. Times, privately advocated against it.

Senate Bill 1137 establishes a 3,200-foot minimum distance between new oil wells and homes, schools, hospitals, parks and other places where people live, work and gather.

A Pew Research poll shows partisan split over U.S. scientific leadership, with Democrats far more concerned about losing ground than Republicans.

Ted Judah went diving off McAbee Beach in Monterey Bay when he caught sight of a 'silvery knife blade undulating thing,' later identified as a king-of-the-salmon.