Purple sea urchins have eaten 95 percent of the underwater forests along California’s Mendocino Coast. Here's how you can help.

The forests can also store atmospheric carbon. Over the past decade, a majority of kelp forests off the coast of Northern California were destroyed.

Sea Otters Have Helped Bolster California’s Kelp Forest A study that looks back more than 100 years shows that where the animals have thrived, underwater forests have, too ...

PORT TOWNSEND — The Port Townsend Marine Science Center has opened a new exhibit, Bull Kelp: Our Remarkable Underwater Forests, at its visitors center. “We’ve just launched a new exhibit at Flagship ...

Historical analysis shows that the marine mammals likely kept some of California’s kelp forests growing over the past 100 years.

Monterey Bay Aquarium researchers strengthen the link between sea otters and long-term health of California kelp forests in a new study released today. The paper, published in the journal PLOS Climate ...

The kelp forest is my favorite ecosystem on Earth. I first began diving into these nearshore waters off the California coast three years ago. Shortly after, I began taking my camera down with me ...

When sea otters were reintroduced along the coastlines of islands in Southern California and British Columbia, researchers saw kelp forests return to areas that were destroyed by sea urchins. But ...

After purple urchins helped nearly wipe out 96% of California's iconic underwater bull kelp forests over a six-year span, biologists say they are seeing promising signs that efforts to save them ...

SAUSALITO, California (KPIX) — The health of the ocean off the Northern California coast is in trouble, as biologists have seen a massive die-off of the kelp forests that are essential to a ...

The fight for California’s other iconic forest Volunteers, divers and scientists use direct intervention, kelp nurseries to try and save the rapidly disappearing ocean vegetation ...