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There have been no recorded human deaths at the hands of California black bears. Here's how we can keep it that way.
This Los Angeles-based entomologist didn't set out to document an entirely new ecosystem. He just sort of stumbled on it.
The emails were sent over several years by two senior agency scientists working on toxic contamination in communities of color.
The Peninsular bighorn sheep needs connected habitat to survive into the 22nd century -- and a fortified border won't help.
Central Valley Republicans attempt to rewrite California water law to benefit large farms without the public noticing.
A new male mountain lion in the Santa Monica Mountains raises questions. Where did he come from? And where did the last male go?
The Spanish firm Abengoa has initiated bankruptcy proceedings, and the fate of at least one controversial solar project hangs in the balance.
SoCalGas' natural gas leak in Aliso Canyon just wiped out your climate gains.
Whatever parochial differences once seemed to divide NorCal and SoCal are increasingly trivial. It's time we all got over them.
The U.S. Department of the Interior is moving to a smarter, wide-scale planning that safeguards our most important lands.
An activist who worked for this week's ban on bobcat trapping in California looks back at the complex road to protection.
Despite legislative attempts to block full protection, most Californians favor preserving huge swaths of the California Desert.