Robert Redford's plea: Save Bristol Bay

A proposed open-pit mine would endanger a pristine Alaskan fishery and destroy jobs. The EPA must prevent it.

Abrupt climate shifts spurred Stone Age innovation in Africa

Glow-in-the-dark cockroach among top 10 new species of 2012

Wolves in U.S. won't lose protections -- for now

Letters show rift over San Onofre nuclear repairs

Letters show inability of Southern California Edison and Mitsubishi Heavy Industries to agree on a long-range repair plan for the facility, off-line since January 2012.

A powerful use for spoiled food

Kroger Co.'s anaerobic digester in Compton takes unsold food from Ralphs and Food 4 Less and converts it into 13 million kilowatt-hours of electricity a year.

Federal omission in closing oyster farm broke law, court told

The firm's attorneys say U.S. did not do an environmental review. The closing of the farm would lead to the first marine wilderness area on the West Coast.

Common plants, animals threatened by climate change, study says

Clock is ticking, slowly, on rules for coal-fired power plants

The fate of many coal-fired power plants may rest on how boldly Obama tries to fulfill his pledge to cut greenhouse gas emissions.

Catalina exhibit illuminates a dark episode in island's past

'The Strange and Mysterious Case of Dr. Glidden' tells the story of a man who created public entertainment from native inhabitants' bones.

Long Beach aquarium exhibit peers into ocean's dark depths

The Aquarium of the Pacific's newest gallery will showcase bioluminescent fish and marine scavengers found at the very bottom.

Companies won't face charges in condor deaths

The U.S. Fish and Wildlife Service grants exceptions to a wind farm and a building project in harassing or killing the endangered birds.

Republican senators boycott vote on EPA nominee

Republican members of the Senate Environment and Public Works Committee say they want more information from EPA nominee Gina McCarthy.

L.A. council approves controversial rail yard for port complex

Action sets stage for possible court challenges alleging environmental and civil rights violations. Backers say the project would bolster efficiency and create jobs.

Don't dilute CEQA, improve it

The Environmental Quality Act plays an important role in protecting Californians.

L.A. is a leader in greening of ports, Mayor Villaraigosa says

The world looks to L.A. for ways to reduce pollution, Villaraigosa says at a ports conference. He cites a modernization of the Port of L.A. and the state's tough emissions law.

Water war between Klamath River farmers, tribes poised to erupt

New water rights have given tribes an upper hand over farmers just as the Klamath River basin plunges into a severe drought.

Tesla drives California environmental credits to the bank

Zero Emission Vehicle credits could give the automaker as much as $250 million this year, highlighting the state's effort to promote the electric car.

Lionfish: If you can't beat 'em, eat 'em

The invasive species is threatening coral reefs, and eradication won't work. But there's a simple solution.