Climate

A Palmer oak in Jurupa Valley is estimated to be 13,000 to 18,000 years old. The plant, which looks like a sprawling, dark green shrub, is now at the center …

Never before have Californians had more climate information at their fingertips: Planes soar above the Sierra measuring snowpack with lasers; cameras enhanced with artificial intelligence scan the landscape for wildfire; …

A major heat wave expected across California over Fourth of July week is already prompting heat warnings for much of the state, with triple-digit temperatures forecast and little overnight relief. …

At the La Brea Tar Pits and Museum, Jessie George and other paleobotanists — the folks who study ancient plants the way paleontologists study prehistoric bones — are compiling a …

Beavers are precious to the Tule River Indian Tribe. They are woven into the California tribe’s stories and appear in ancient pictographs painted by ancestors on the walls of a …

Two-thirds of the way through Thursday night’s presidential debate, CNN journalist Dana Bash finally asked the candidates how they would tackle a challenge that scientists say poses an existential threat …

Despite assurances from the federal government that bird flu will be eradicated from the nation’s dairy cows, some experts worry the disease is here to stay. Recently, Eric Deeble, USDA …

Photographer Eric Mailander was only kidding when he posted stills on social media from video he recorded showing juvenile great white sharks “smiling” as they swam in Monterey Bay. But …

The more time I spend writing about climate change — and air pollution, and freeways, and heat, and nuclear power, and lithium-ion batteries — the more I think human beings, …

When a renewable energy company started razing thousands of Joshua trees this month to make way for a sprawling solar farm, it kicked up a firestorm of outrage among Mojave …