“The current Pacific kelp forests are the base of very rich shallow marine ecosystems,” says Cindy Looy, a paleobotanist at the University of California at Berkeley. A study published in PNAS presents ...

In thinking about conserving kelp forests, it is important to consider ... Curator of Geology and Invertebrate Zoology at the California Academy of Sciences.

Sea otters in California are helping to protect kelp forests from an invasion of purple sea urchins. NBC News' Gadi Schwartz ...

the kelp forests off the coast of northern California. Warming sea water has triggered an explosion in the population of purple sea urchins (Strongylocentrotus purpuratus) which devour kelp at an ...

A southern sea otter with a purple sea urchin in Monterey Bay, California. (Credit: Morgan Rector) (CN) — The kelp forests along the coast of California have been under attack by purple sea urchins, ...

With California's spectacular kelp forests being decimated by invasive sea urchins, scientists are using sea otters to help ...

Inside, an experiment is playing out that gives a badly-needed boost to Northern California’s kelp forests—underwater cathedrals of green and gold that nearly vanished from the north coast a ...

Inside, an experiment is playing out that gives a badly needed boost to Northern California’s kelp forests — underwater cathedrals of green and gold that nearly vanished from the north coast a ...