The story of California's rescued bears isn't just heartwarming. It's the beginning of a new way to think about burn treatment.

As climate liability lawsuits rise, industry forces are fighting back.

The nation's leader of the climate resistance is getting pummeled by global warming. Your state could be next.

Kevin de León, the California Senate president, is taking on the U.S. senator in next year's Democratic primary. The reward is much greater than the risk.

Kevin de León, president of the California Senate, is challenging the longtime senator next year, creating a dilemma for the party's 2020 hopefuls.

As climate change makes fires more destructive, taxpayers increasingly are covering the cost of protecting at-risk communities.

They may be far away from the flames, but millions of residents are inhaling deadly pollution from the devastating wildfires.

My article about a bank's law-breaking during the housing crisis became a political football, obscuring the real issue at hand.

Democrats increasingly support a single-payer health care system—and Republicans are already on the attack. Let the messaging wars begin.

How Trump’s rejection of the Paris accord is reshaping the political landscape.

Roughly once a year, the border wall opens to allow a handful of immigrants to reunite with their families on the other side.

If single-payer can't pass with Democratic super-majorities in the Golden State, that raises serious questions about any national effort.

The U.S. government and local authorities are fighting once again over civil rights. But the dynamic has been turned upside down.

The biggest hurdle to the president's proposal isn't money or geography. It's private landowners.