Organic matter is the most important part of the soil because it is fodder for the many organisms that keep soil alive and elastic. And because it is consumed by these organisms, soil organic matter needs to be replenished. The … Read more
Art & Design | Botany | Climate Change | El Niño | Fire | Fungi | Geology | History | The Bay | The Ocean | Urban Nature | Water | Weather | Wildlife
At this small, sandy National Wildlife Refuge on the industrial outskirts of Antioch, you’ll find great views of the San Joaquin River, and rare plants and insects that don’t exist anywhere else.
In the early 1970s, when the Army Corps of Engineers built a weir across Alameda Creek to stabilize a railroad crossing and the new BART tracks, they also blocked steelhead from swimming to upstream spawning grounds. Given the numerous dams … Read more
The East Bay is home to 44 creeks that drain into San Francisco Bay—from small but well-protected Wildcat Creek in the north to the 700 square miles of Alameda Creek’s watershed to the south.
Daly City’s cliffs hold tales of ancient seas and volcanic eruptions. But don’t count on them to stand still under your feet, or your home.
Heading farther east on Highway 37 toward Mare Island in Vallejo, birders and wetlands enthusiasts can come in for a landing at the Ninth Annual San Francisco Bay Flyway Festival from January 21 to 23. The free festival celebrates the … Read more
The second annual San Francisco Ocean Film Festival, a three-day celebration of oceans and estuaries, kicks off on Friday, January 28, with a reception at the San Francisco Maritime Museum near Ghirardelli Square. On Saturday and Sunday, the event continues … Read more
As Tolay Creek pools and spills on its journey to San Pablo Bay, it passes several recent acquisitions by the Sonoma Land Trust (SLT), an organization that is piecing together a wide swath of land stretching across the shoreline of … Read more
Twenty years ago, we nearly lost the California condor. When only 22 were left in the world, an intensive and controversial captive-breeding program began. The last wild bird was captured in 1987. Wildlife biologists freed the first captive-bred birds in … Read more
With the rainy season upon us, California tiger salamanders will soon emerge from the depths of squirrel and gopher burrows in grasslands and oak savannas to breed in freshwater ponds. The reclusive amphibians will travel over a mile in search … Read more