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

Long-term monitoring isn’t sexy,” says one source. But this data is how we know what is happening to the planet.

Biodiversity After 28 Years, Alameda Creek Opens Up To Fish The final barrier is falling. It's a watershed moment.

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 ...

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.

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 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.

Shade is nowhere to be found on a stretch of International Boulevard in East Oakland. Like the rest of the flatlands, this area historically got highways and rail lines instead of parks and trees.