environment

Fact check: Is Sam Altman right that almonds use more water than ChatGPT queries?

Limited public data makes it difficult to verify data center water use.

The crowd-sourced observations will help scientists understand where these butterflies are at different times of the year.

The Endangered Species Act is a 1973 federal law designed to protect and recover plant and animal species that face the threat of extinction.

Wool clothing presents the possibility to develop a niche local market in Marin County for environmentally sustainable material.

The stakes — and costs — are high for California, where wildfires have burned through millions of acres in the last decade.

The golden mussel and the glassy-winged sharpshooter are big trouble.

California’s law to slash plastic packaging is running into a fight over who pays — and how much.

Under a new federal rule, some of California’s most remote backcountry could open to new roads and development.

For now, the only place you’ll find grizzlies in California is in a zoo or on the state flag.

The fish’s only California home is through the San Francisco Bay Estuary and up the Sacramento River and San Joaquin River watersheds.