California governor seems to be aligning with the president over management of threatened San Francisco Bay-Delta.

For about two weeks every February, San Francisco is privy to a breathtaking sight: the peak bloom of Golden Gate Park’s ...

A red substance was visible in the water between the Lake Merritt Sailboat House and the Rotary Nature Center on March 7, alarming people involved in looking after the lagoon’s health.

The San Francisco Regional Water Quality Control ... “Assuming we don’t have perpetual algal blooms.” Palo Alto is in the third category of agencies: those that are already upgrading aged ...