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Science

How To Protect The Ocean

by Andrew Lewin
NaturalezaCiencias

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Latest episodes

  • What the Sustainable Seafood Label Can't See

    October 23, 2026 · 11 min

    You bought the fish with the green check mark. Investigators with The Outlaw Ocean Project then checked the supply chains behind hundreds of seafood companies making sustainability claims, and more than half had a documented crime or…

  • Ships Without License Plates: The Dark Fleet Behind Fishmeal

    October 22, 2026 · 15 min

    In a single day in March 2024, Gambian navy officers arrested eight industrial trawlers. Seven were fishing in waters reserved for local canoes, four were using illegal nets, and every one had switched off its tracking beacon. That one…

  • Whose Dinner Becomes Fish Feed?

    October 21, 2026 · 20 min

    On a May morning in 2017, the people of Gunjur in The Gambia woke to find their lagoon had turned red, with dead fish on the surface. Investigators traced the pollution to a fishmeal plant up the road. In this episode, Andrew Lewin follows…

  • The Fish That Feed Your Fish: What Farmed Salmon Really Eat

    October 20, 2026 · 12 min

    The family behind the world's largest salmon farming company built a global industry. Now one of its members is asking how it can be sustainable to grind up fish from poorer countries, ship them across the world, and feed them to salmon…

  • What Your Farmed Salmon Ate: Inside a Five-Year Fishmeal Investigation

    October 19, 2026 · 1 hr 6 min

    More than half the seafood eaten on Earth now comes from fish farms, and most of those farmed fish are raised on fishmeal made from wild-caught fish. Maya Martin, deputy editor at The Outlaw Ocean Project, joins Andrew Lewin to unpack Food…

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  • How to Read the Seafood Counter Like a Marine Biologist

    October 16, 2026 · 13 min

    Picture a big sign over the seafood counter promising sustainable fishing, with a fish every independent guide says to avoid sitting on ice right below it. In most countries nobody broke a rule, because the word "sustainable" on seafood…

  • Is Bottom Trawling Always Bad? It Depends Where

    October 15, 2026 · 15 min

    Off the south coast of England, about 100 kilometres out, sits Haig Fras, a granite reef covered in jewel anemones and cup corals. For years it was protected on paper, yet heavy fishing gear could still drag across it. In March 2024, that…

  • The Trapdoor That Saves Sea Turtles From Shrimp Nets

    October 14, 2026 · 17 min

    A Kemp's ridley sea turtle, the most endangered sea turtle on Earth, gets swept into a shrimp trawl. It hits a metal grid, slides out through a flap in the net, and swims away. That small trapdoor, the turtle excluder device, is one of the…

  • The Cod Came Back: What a Fishery Collapse Teaches Us About Overfishing

    October 13, 2026 · 20 min

    Five centuries ago, explorers off Newfoundland described cod so plentiful that a weighted basket lowered into the sea came back full. By July 2, 1992, so few remained that Canada shut the northern cod fishery overnight. About 30,000 people…

  • How to Choose Sustainable Seafood

    October 12, 2026 · 1 hr 6 min

    You want to eat seafood the right way. Then you hit the seafood counter and face a wall of labels, a sign promising "sustainable practices," and an employee who has no idea where the tuna came from. Add documentaries like Seaspiracy…

  • Slow Down for Whales: How Global Shipping Learned to Share the Ocean

    October 11, 2026 · 11 min

    Blue whales can't dodge ships. When scientists tracked blue whales alongside cargo ships off Southern California, the whales responded in just over half the encounters, and every response was the same: a slow, shallow dive. Not once did a…

  • When Whale Food Moves: Climate Change, Crab Traps, and Pop-Up Gear

    October 8, 2026 · 10 min

    In 2014, a patch of unusually warm water nicknamed "the blob" settled off the west coast of North America. The cold, food-rich water that normally stretches far offshore shrank into a narrow strip along the coast, and hungry humpback…

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About the show

Dive into the Depths: Join Andrew Lewin on 'How to Protect the Ocean' – Your Gateway to Exclusive Ocean Insights! Explore the latest, uncharted realms of ocean science and conservation that you won't find anywhere else. Andrew takes you on an inspiring journey to uncover the hidden gems of oceanic discovery and initiatives. Tune in to discover how you can transform your life for a better ocean, one episode at a time. The How To Protect The Ocean is your resource to keep you informed on the latest ocean news; teach you how to speak up for the ocean; and, how you can take action to live for a better ocean. There is so much information on the ocean and the issues that are affecting it that it can be difficult to find optimism in the future of the ocean. Climate change, overfishing, plastic pollution, water pollution, and coastal development have altered the ocean in ways that have negatively changed the way we use it. The repercussions of climate change, including the ominous specter of rising sea levels, the relentless march of warming ocean temperatures, and the ominous shadow of ocean acidification, have not only altered the very fabric of our coastlines but have also conjured fiercer storms and summoned floods with growing frequency. The fossil fuel industry may whisper in your ear that the situation is insurmountable, an inescapable fate. However, this podcast is here to unveil a different narrative, one that empowers you to take action. It illuminates the path to change by casting your vote for leaders committed to implementing climate-rescuing policies and by offering invaluable insights into how each of us can shrink our individual carbon footprint. The grim reality of overfishing casts a long shadow, fueled by governmental shortcomings in the stewardship of both commercial and recreational fisheries. Within the delicate balance of our oceans, every fish population possesses a threshold - a point at which the relentless harvest of fishermen begins to erode their numbers. The management of these aquatic resources is a formidable task, as the elusive currents of the sea often defy easy tracking. Furthermore, the menace of illegal, unregulated, and unreported (IUU) fishing looms large in many nations, adding to the crisis. Yet, a glimmer of hope shines through the depths. A beacon for responsible consumption emerges in the form of seafood programs, guiding conscientious individuals toward choices that safeguard our oceans. By heeding these programs, you not only savor the delights of sustainable seafood but also become an informed guardian of marine ecosystems. The relentless scourge of plastic pollution has unleashed an epidemic of death upon the denizens of our oceans. It's a ruthless killer, claiming the lives of hundreds of thousands of marine mammals, majestic sharks, grandiose fish, gentle sea turtles, and the graceful sea birds that soar above. The malevolence of this crisis knows no bounds, with microplastics infiltrating even the remotest depths of the ocean and etching their presence along every coastline. To mount a defense against this ecological cataclysm, the clarion call for action echoes on the international and national stages. It beckons governments far and wide to adopt resolute policies, wielding the power to outlaw the menace of single-use plastics and demanding the meticulous detoxification of our supply chains. In this grand battle to safeguard our seas, the fight against plastic pollution knows no borders. The ominous specter of water pollution looms large, a consequence of our thoughtless disposal into the arteries of our planet – our streams, rivers, lakes, and oceans. This callous act reverberates, sending shockwaves through the intricate ecosystems of our coastal havens, where the likes of coral reefs, resilient mangroves, and swaying seagrasses thrive. But alas, this intrusion is not benign; it bears the capacity to corrode and dismantle these vital sanctuaries, the very lifebloo