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Sept. 1, 2026

This coral disease can kill an entire colony within weeks or months. 🎧 Listen to the full episode.

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Sept. 1, 2026

How Scientists Just Found 31 New Species in Only 2 Weeks

How did scientists just find 31 new species in only two weeks? Off the coast of Brazil, in the ocean's twilight zone, roughly 600 to 3,300 feet down, a science expedition uncovered a wave of previously undocumented marine life in the mysterious mid-water layer that sits between sunlit surface waters…

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Sept. 1, 2026

Captive Whale Relocations Updates and Ghost Net Removal Project Success

Today on Ocean Decoded Live, we're doing a reality check on the captive whale relocations making headlines this year. Wikie and Keijo, two orcas whose sanctuary plan fell through, are now at Loro Parque in Tenerife, a commercial park with a documented welfare record. Meanwhile, all 30 of Marineland Canada's…

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Sept. 1, 2026

Matthew Gianni explains how fishing can push species toward commercial or ecological extinction. 🎧

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Sept. 1, 2026

Trump Renames Lake Ontario "Lake America"... Here's the Loophole He Used

Trump renames Lake Ontario "Lake America," and he did it using a loophole. Renaming a US body of water is normally supposed to go through the US Board on Geographic Names: a free-to-file process involving historical review and public input that typically takes six months to a year. Trump's August…

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Sept. 1, 2026

Environmental damage affects ecosystems, industries, and communities. 🎧 Listen to the full episode

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Aug. 31, 2026

Global coral bleaching has grown from 21% of reefs affected in 1998 to 84% in 2023–2025. 🎧 Listen

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Aug. 31, 2026

Lake Ontario Renamed Lake America, Plus a Deep-Sea Scientist and 31 New Species

Lake Ontario renamed Lake America: that's the story leading this episode of Ocean Decoded Live, and we dig into what it actually means, on paper and in practice, when a president tries to rename a body of water shared with another country. We trace the same playbook back to the…

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Aug. 31, 2026

Is coral restoration worth the cost if restored corals may not survive? 🎧 Listen to the full episo

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Aug. 30, 2026

Why This Scientist is Training an Army of Ocean Heroes

Asha de Vos could have spent her career chasing her own next discovery. Instead, once she'd built up her own research, her fellowships, and her global speaking career, she made a deliberate pivot: training what she calls "an army of local ocean heroes," starting in Sri Lanka and reaching conservationists…

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Aug. 30, 2026

Why Did These Maine Islands Lose Over Half Their Seagrass?

Seagrass loss in Maine sounds like a quiet, local story, until you hear the numbers. Maine had more than 30,000 acres of seagrass meadows in the 1990s, habitat that supports fish nurseries, stabilizes coastlines, filters water, and stores carbon. But the state didn't start mapping that seagrass statewide until 2023,…

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Aug. 30, 2026

Great Barrier Reef: Recovery or a Bigger Crash?

Corals fighting for the future are living through the most extreme swings in nearly 40 years of Great Barrier Reef monitoring, bouncing between record lows and record highs faster and harder than at any point since scientists started tracking them in 1986. This isn't a reef in steady decline, it's…

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Aug. 28, 2026

Holly Koehler explains how fisheries management is evolving beyond target fish to better protect anc

Some deep-sea corals can live for thousands of years, making their protection especially important. Holly Koehler explains how fisheries management has evolved from focusing primarily on target fish to recognizing the need to protect habitats and other species associated with fisheries. It's a shift toward looking at the broader ecosystem,…

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Aug. 28, 2026

Holly Koehler explains how ISSF turns transparency and accountability into practice through clear co

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Aug. 27, 2026

Surveys of the Clarion-Clipperton Zone reveal abundant and diverse marine life living in the same de

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Aug. 27, 2026

Angelo Villagomez Protecting the Deep Sea: Inside the Fight Against Seabed Mining

Angelo Villagomez protecting the deep sea is the throughline of this Ocean People Profile from Ocean Decoded Live, where host Andrew Lewin spotlights one of his closest friends in ocean conservation. Villagomez is a native of the Commonwealth of the Northern Mariana Islands, born in a village in the Western…

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Aug. 27, 2026

Deep-sea nodules are also habitat, meaning mining them could remove the very surfaces many deep-sea

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Aug. 27, 2026

The Hidden Relationship Between Manta Rays and Remoras: Fish Caught Hiding Inside a Living Host

The hidden relationship between manta rays and remoras turns out to include something far stranger than simple hitchhiking. Remoras are the suction-disc fish that ride along sharks, whales, and rays, and for decades biologists assumed the arrangement was harmless, maybe even a small favour, since remoras clean up leftover parasites…

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Aug. 27, 2026

Great Barrier Reef Recovery: A Second Chance the Reef Might Not Get Twice

Great Barrier Reef recovery numbers just came in, and they're genuinely good news, but the full picture is more complicated than a single headline. In this episode of Ocean Decoded Live, host Andrew Lewin breaks down new survey data from the Australian Institute of Marine Science, showing hard coral cover…

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Aug. 27, 2026

Wind Turbine Myths Debunked, Plus the New Study Linking Wind Farms to Less Rainfall

Wind turbine myths debunked: that's the promise of this episode, and we hold three of the biggest ones up against the actual peer-reviewed evidence. Do offshore wind farms kill whales? Do turbines make nearby residents sick? Do wind farms tank property values? Host Andrew Lewin walks through what the research…

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Aug. 26, 2026

Ellen Spooner AI for Good: The Marine Scientist Bridging Oceans and Technology

Ellen Spooner AI for good is the throughline of today's Ocean People profile on Ocean Decoded Live, where host Andrew Lewin explains why this marine scientist, science communicator, and fellow Canadian is someone worth following. The two have known each other online for years, through podcasting circles, without ever meeting…

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Aug. 26, 2026

Seagrass Conservation: How This Seagrass Survives an 80% Habitat Loss

Seagrass conservation usually means one thing: watching a habitat disappear and trying to slow the loss. This story is different. In Florida's Indian River Lagoon, a 156-mile estuary that has lost more than 80% of its seagrass to decades of nutrient pollution and a thick, oxygen-starved muck coating the lagoon…

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Aug. 26, 2026

Wind Turbine Myths Busted, Plus a Manta Ray Mystery You Won't Believe

Wind turbines get blamed for everything from killing whales to tanking home values, but what does the actual peer-reviewed science say? In this episode of Ocean Decoded Live, host Andrew Lewin fact-checks the biggest wind turbine myths against real research, then breaks down one new finding that, surprisingly, held up.…

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Aug. 26, 2026

Megamouth Shark in the South Atlantic: Confirmed Sighting

A megamouth shark in the South Atlantic is officially on the record. On August 22, 2026, an adult male megamouth shark washed ashore at St. Helena Bay on South Africa's West Coast — only the second megamouth ever recorded in South African waters, and the first confirmed record of this…

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