The problem with seaweed aquaculture is that it’s not always as ocean-friendly as it seems. While seaweed farming is often praised as a climate solution—able to sequester carbon, improve water quality, and support sustainable food systems—scientists are now warning that its rapid, unregulated expansion could be damaging vital marine ecosystems.…
UNOC 2025 brought major headlines in ocean conservation—from billions pledged to protect biodiversity, to significant movement on the High Seas Treaty. In this episode, Andrew Lewin returns from the UN Ocean Conference in Nice, France, with a firsthand account of what was announced, what was promised, and what might actually…
Why Cayman Islanders Voted Against a Massive Cruise Ship Pier Is a Rare and Powerful Story of Reef Protection Over Profit. In this episode of How to Protect the Ocean, Andrew Lewin unpacks the bold decision by Cayman citizens to reject a development project that would have severely damaged their…
Climate policy in the U.S. has taken a wild ride in recent years. In this episode of How to Protect the Ocean, I speak with Chris Moyer, founder of Echo Communication Advisors, about the turbulent shifts in federal policy—especially during the Trump and Biden administrations—and how these shifts have disrupted…
Oceans Day is more than a date on the calendar—it’s a moment to reflect on the state of our blue planet and our role in protecting it. In this heartfelt episode, Andrew Lewin shares a personal message for Oceans Day 2025 (and any day after), speaking directly to those who…
Ocean Networks Canada began as a bold idea—to create a real-time, always-on listening system for the ocean. In this episode, Surfacing Secrets: Mavericks and Visionaries, we go behind the scenes with the individuals who brought that idea to life. From laying cables deep in the Pacific to building trust with…
Ocean conservation is more than protecting ecosystems—it’s about empowering people to lead change. In this episode of How to Protect the Ocean, Andrew, Serena, and Amanda explore the WaveMaker identity, what it means to be part of a movement, and how The Undertow is creating a community where action and…
Ocean conservation is evolving—and The Undertow is leading the way by merging storytelling, technology, and community. In this episode, host Andrew Lewin is joined by Amanda Horn and Serena Nguyen to unveil The Undertow, a new platform designed to supercharge ocean action by connecting people from all backgrounds to meaningful…
Prevent overfishing by making the invisible visible. In this episode, Courtney Farthing from Global Fishing Watch explains how vessel tracking and open data systems are key to protecting marine life and holding industrial fisheries accountable. With over 75% of industrial fishing vessels missing from public monitoring systems, it’s time to…
Ocean recovery is not just possible—it’s already happening in places where we’ve taken action. In this episode, I dive into Ocean with David Attenborough, a documentary which reminds us of the ocean’s incredible resilience. From thriving coral reefs to fish populations bouncing back, the film offers powerful proof that when…
