Sending Caltrain cars to Peru will drive other countries down the wrong carbon emissions path with arcane technology.

Campaigns for and against a recall of San Francisco Supervisor Joel Engardio launched Saturday morning in the city's Sunset District, sources from both campaigns confirmed. In order to force a recall ...

San Francisco Supervisor Joel Engardio is the target of a recall effort. It’ s based on opposition by some residents to a ...

Air pollution is linked to the daily deaths of over 100 children under five in East Asia and the Pacific, according to a ...

WASHINGTON (AP) — President Donald Trump is moving to reverse a federal push away from plastic straws, declaring that paper ...

Air quality in San Francisco is improving, according to an Axios analysis of year-over-year EPA data. Why it matters: Long-term exposure to poor air quality is harmful to your health. A growing body ...

"With our state partners at the San Francisco Bay Regional Water Quality ... The agency said C&H will also update its stormwater pollution prevention plan and sugar management practices.

A new atmospheric river is slamming California, including fire-ravaged Los Angeles, where residents are bracing for the possibility of mudslides and landslides.