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

San Francisco's Outer Sunset neighborhood could soon look a little more like downtown after permits were filed for a proposed ...

When you think of the United States, perhaps things like baseball, McDonald’s, the New York Times Square, or the Grand Canyon ...

Resident Only Permit Parking programs are ubiquitous outside of New York City: London, Paris, Barcelona, Montreal, Los ...

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 ...

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 ...

The only marine lab on San Francisco Bay, which conducts critical research on the region’s water quality and the impacts of ...

By the numbers: San Francisco saw its pollution levels drop by about 6%. That figure compares average pollution from 2021-23 to the same measurements from 2014-16. Between the lines: The data ...