The San Francisco Bay is our region's dominant geographic feature.

salt marsh harvest mouse

A Mouse Surprise

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Despite the fact that the salt marsh harvest mouse is the only mammal that scrapes out its existence exclusively in tidal marshes, no one has ever bothered to seriously study its physiology.

oyster shell illustration

Eat an Oyster, Restore a Reef

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Linda Hunter pulls up to Bay Natives Nursery in Bayview-Hunters Point and opens the rear hatch of her gray Prius. Inside are several white plastic buckets full of shells. They come from oysters eaten the previous day by customers at … Read more

crissy field

Walking the Entire Bay

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Thirty years after the project officially began, the idea for the San Francisco Bay Trail seems both delightfully obvious and considerably difficult. To link Bay Area communities across nine counties and 47 cities with one multiuse, 500-mile trail is an … Read more