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The Shasta Pack, California's first wild wolf pack in a century, is closely related to wolves in Oregon.
It's easy to blame Mexico for the pollution in the Tijuana River. But it originates in the same international politics that impede its cleanup.
There's an undeveloped mountain in the Hollywood Hills near Laurel Canyon, and a group of wildlife advocates is trying to buy it.
Letting the Salton Sea die would be an environmental and public health disaster. So why don't Californians care?
That stuff you're thinking of draping your trees and shrubs in for Halloween might cause unlucky wild animals some serious harm.
Science shows that bark beetles don't increase the threat of wildfire, but they do play a crucial role in supporting healthy forests.
Quite a few environmental bills have been signed into law in California this month.
It's hard to clean up a watershed when someone draws an arbitrary line across it, especially if that line is the U.S.-Mexico border.
The bad news: the vaquita is probably down to fewer than 50 individuals. The good news: a gillnet ban may be working to protect the animals.
Representative Paul Cook recently introduced a bill that would make sweeping changes in the way we administer desert lands.
That video of a guy poking a sleeping sea otter in the belly? He broke a federal law.
Cadiz will likely have to put its desert water project through a full federal environmental review, which may kill the project.