A derelict fishing vessel has finally been removed from a Sonoma County beach, after nine years. Waiting to do the cleanup ...

All 12 Bay Area “critical habitat” groves in a proposed federal threatened listing include eucalyptus. How do we protect a ...

Sunflower stars have been victims of seastar wasting disease. (Sue Day, Nature Picture Library) Climate Change Unmasking the Sea Star Killer After a decade of carnage, we finally know what’s ...

The Don Edwards SF Bay National Wildlife Refuge is a haven for shorebirds. In honor of World Shorebirds Day, join us for a beginner- and family-friendly bird outing. We will discuss the wildlife ...

The boardwalk at LaRiviere Marsh in Fremont, part of the Don Edwards San Francisco Bay National Wildlife Refuge. (Photo by Hilary Clark) Essays The Refuge On the Wild Side of Silicon Valley You could ...

California Biodiversity Day is all about appreciating the many species that call California home. We’ll be leading a BioBlitz to celebrate! BioBlitzing involves exploring an area in search of plants, ...

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Where kelp forests used to grow, now legions of purple urchins can blanket the ocean bottom, creating urchin barrens. The barrens will persist until something—disease, predators, starvation, or ...

Fire The Burning Question in the East Bay Hills: Eucalyptus Is Flammable Compared to What? Twenty-five years after the Oakland Hills fire, people still disagree about whether blue gum eucalyptus is a ...

Photo by Scott Doniger Stewardship After Decades Away, River Otters Make a Triumphant Return to the Bay Area Scientists and volunteers track a remarkable return, and study how to keep it going ...