Emily Guerin

The move will cut greenhouse gas and smog-forming emissions, but agency staff say following through depends on whether the technology is ready.

To meet ambitious clean air goals, the ports of L.A. and Long Beach are proposing to overhaul their truck fleets for a second time. But this time they have to win back the trust of skeptical drivers.

Federal officials say the new rule was redundant, expensive and not based on science. Environmentalists disagree.

The 29-year old transgender street dancer loves to "put her gender out there" so people have to question their biases. KPCC watched it happen to one man.

A new study found that up to 70 percent of the time, emissions controls in heavy trucks may not work. That has big implications for smoggy Southern California.

KPCC interviewed Rep. Dana Rohrabacher and businessman Tom Steyer about President Trump's decision to leave the Paris climate agreement. Here's an annotated transcript.

A phenomenon in which buildings and paved surfaces absorb heat can raise temperatures in cities by as much as 19 degrees Fahrenheit.

For decades, servicemen and women who want to be buried in a veteran’s cemetery in Los Angeles or Orange Counties have been out of luck. The closest cemeteries with space are in Riverside, San Diego or Bakersfield, which makes it inconvenient for families to pay their respects.

The Environmental Protection Agency would see a 31 percent cut — more than any other federal agency. Cuts would affect many local programs in Southern California.

The deputy Interior secretary helps manage a fifth of the nation's land. Nominee David Bernhardt has lobbied on behalf of water and energy interests in the past.