There's a slight chance of thunderstorms and hail with the upcoming weekend weather cooldown, with temperatures taking a dip.

Nearly half of all Americans now live in places with unhealthy air, and the Bay Area metro is among the top 20 in poor air quality.

The Bay Area is among the top 25 metros in the U.S. with the worst ozone pollution, according to the American Lung ...

Humankind faces unprecedented changes in climate patterns, sea-level, ocean acidity, ecosystems, and more. Learn more about the science behind these issues in the following FAQs.

The San Francisco Chamber of Commerce's Yes SF program has awarded grants to 12 climate-focused startups. NBC Bay Area ...