Olympia oysters, whose native range runs from Baja California to southern Alaska, are being enlisted as ecological engineers ...

A glider surfaces in its mission collecting ocean data. (Courtesy of Instrument Development Group, Scripps Institution of Oceanography) Climate Change These Programs Have Monitored Our Waters For ...

When ranchers leave the land, what version of nature takes over? The park and The Nature Conservancy have ambitious restoration plans.

Here to stay? Mats of Eurasian watermilfoil clog waterways in the Tahoe Keys, on Lake Tahoe’s south side. It can regrow from a wisp. (Sonya Bennett-Brandt) Biodiversity What Lies Beneath Can we keep ...

Yellow-bellied sapsucker (Kyle Tansley) Biodiversity A Sapsucker Superspecies Is Evolving In Our Midst The family tree for these woodpecker family members has gotten rather complicated.

Conservation How Local Conservationists Are Planning for the Trump Era Prop. 4’s $10 billion for climate adaptation is one blessing. Another is money that can’t be unspent.

For the first time in history, black bears are living in North Bay counties, occupying an ecological niche once filled by grizzlies.

A foggy winter afternoon in Archer Taylor Preserve’s Far Meadow. (Guananí Gómez-Van Cortright) Exploration A Lush Gem Nestled on Napa Valley’s Slopes Napa County’s Archer Taylor Preserve offers ...

Climate Change Mud-Starved Wetlands Get a Meal, At Last With Bipartisan Infrastructure Law funding, the Bay’s wetlands are finally getting some precious muck. Why have we been dumping it offshore?

A California giant chanterelle at Strawberry Canyon in Berkeley. (Alan Rockefeller via mushroomobserver.org, CC-BY-SA) Exploration California’s New State Mushroom Is One Heck of a Fungus After votes ...

A group of coho salmon alevin, with intact egg sacks still visible. (Will Boucher) Conservation A Last Best Hope for Coho in the Russian River Now equipped with $8.4 million in federal money, ...

Inspired by the science of beaver wetlands, activists tackle a long-held belief that beavers aren't native to much of California.