A report from the LA County Economic Development Corporation said the tariffs threaten $500 billion in revenue for the region and put 2 million local workers at risk. Tom Wait reports.

Today, the state of California filed a lawsuit challenging Donald Trump's massive new tariffs. The complaint is available here. The arguments California

California cities nearly covered all five spots in the Top 5 Most Polluted Cities when it comes to year-round particle pollution in the U.S., according to the American Lung Association.

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the American Lung Association said.

Climate change is taking a visible and increasingly toxic toll on the air Americans breathe. According to a report released by the American Lung Association, nearly half of the people living in the U.