

Sea otters are vital to the health of our oceans, helping protect kelp forests through their role as keystone predators. Among other things, they’re mostly known for their voracious appetite and ability to control grazing populations of sea urchins, linking their population’s success to kelp forest conservation. Historically, they’ve been hunted for their pelts –…

When the waters of Washington, D.C.’s Lincoln Memorial Reflecting Pool turned green, algae became the focus of public concern. But as our Executive Director, David Helvarg, explains in his latest Los Angeles Times opinion piece, algae are far more than a nuisance – they are essential organisms that help sustain life on Earth. From producing…

Academy Award-winning director Louie Psihoyos returned to the Rising Tide Ocean Podcast for a conversation as wide-ranging and urgent as his films. Host David Helvarg sat down with Psihoyos before a live audience during SF Climate Week at the downtown San Francisco studios of KALW public radio — and the exchange didn’t disappoint. Psihoyos traces…

The tables turn on the latest episode of Rising Tide the Ocean Podcast as Blue Frontier’s Natasha Benjamin interviews Rising Tide co-host and author David Helvarg on his latest book, ‘Forest of the Sea – The Remarkable Life and Imperiled Future of Kelp’ (coming out May 5th). As co-director of the award-winning kelp forest documentary…

California’s kelp forests have struggled to recover since the 2013–2017 marine heat wave, despite major restoration efforts by scientists, fishermen, tribes, and volunteer divers. The decline reflects a global trend tied to ocean warming, as the sea absorbs roughly 90% of the excess heat generated by fossil fuel emissions. According to a 2023 study in…
You can listen to our podcast on a variety of platforms including Apple, Spotify, Amazon Music, Android, Pandora, iHeartRadio, Blubrry, Podchaser, Gaana, the Podcast Index, and Deezer.
Additionally, our podcast is broadcast on several radio stations:
Check out our Substack for podcast transcripts and more!
Each episode navigates insightful discussions on marine life, and the critical issues affecting our seas. Informative, educational and humorous, it’s a valuable resource for anyone passionate about understanding and preserving our ocean world!