Climate

From President Trump’s first day back in office, he vowed to unravel California’s sway over the nation’s auto-emission standards by eliminating the state’s zero-emission mandates. He made good on that …

On July 10, a church signed the deeds transferring a half-acre of land hosting a community center in the heart of San Gabriel — less than a mile down the …

The Sierra Club, one of the nation’s oldest and most prominent nonprofit environmental groups, was thrown into upheaval this week after its executive director was fired. In an email to …

Isaac Santos, 22, remembers growing up with family barbecues at his aunt’s house in Imperial Beach, south of San Diego, and swimming with his cousins. Sure, the ocean was dirty …

SIOUX FALLS, S.D. — A gold rush brought settlers to South Dakota’s Black Hills about 150 years ago, chasing the dream of wealth and displacing Native Americans in the process. Now, a …

Hundreds of public fast chargers are popping up across the U.S. to serve electric vehicle drivers seeking a cleaner alternative to gas-powered cars. But they come with a surprising risk: …

Dog owners may need to be on alert for a disease many have never heard of — anaplasmosis, spread by the same tick that transmits Lyme disease. Anaplasmosis can make …

HARRISBURG, Pa. — The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate about its future just as the iconic American company was emerging from a long period …

Three industrial facilities in California have received exemptions from the U.S. Environmental Protection Agency to emit a carcinogenic chemical after the Trump administration invited large emitters to bypass key provisions …

Diving in a kelp forest in Monterey Bay recently, I watched a tubby 200-pound harbor seal follow a fellow diver, nibbling on his flippers. The diver, a graduate student, was …