Olga Pierce

Cutting or eliminating greenhouse gas emissions is the aim of two new developments in Valencia and Tejon Ranch.

California is losing its leadership position in the effort to mitigate climate change, and politics and other disasters may be to blame, according to a state lawmaker.

Josh Barro’s final episode as host of Left, Right & Center

Panelists discuss how President Biden is doing one year into his tenure, what the U.S. can — and should — do about Russia, and what Republicans stand for in 2022.

A new nature preserve in the Tehachapi Mountains and Southern Sierra Nevada aims to become a sanctuary for California’s iconic species to adjust to climate change.

A doctor from San Bernardino County explains how he’s handling another COVID surge as the Omicron variant spreads, and how he talks to vaccine skeptics.

Diablo Canyon is supposed to start closing in a few years, but a Stanford-MIT report says keeping it open would help California transition to clean energy more cheaply and cleanly.

LAUSD requires students and staff to submit a COVID test before returning to school on Tuesday. More than 60,000 have tested positive, and that has parents worried.

Some Angelenos haven’t seen their families since 2019. They share why they’re excited to go home for the holidays.