The spiny California sea urchin has busted out of the sushi bar and is having its moment on just about every menu in Los Angeles right now, in everything from uni jam to uni ice cream.
Here are five of the biggest challenges our oceans face, and what we can do to solve them.
We launch our kayaks at dawn from a pristine, sheltered cove and paddle about a quarter-mile up the pinnacle-studded Mendocino coastline to a craggy reef just offshore.
Researchers assess how the quality of red sea urchin roe—uni—influences fishermen's behavior
The price you pay for apples in the store doesn’t cover the hidden costs of producing them.
Usually, the first weekend of April is when abalone divers pack up their wetsuits and fins and head off to campsites along the Sonoma and Mendocino coast.
Urchins live off kelp, and in the last three years the kelp forests on the Northern California coast have collapsed. Income for local red urchin divers has plummeted by 90 percent in three years.
California's coastal ecosystem — and the fisheries that depend on it — are in the grip of a huge disruption
Below the gently rolling waves off the Palos Verdes Peninsula, a spiny purple menace is ravaging what should be a thriving kelp forest.