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Science & Medicine

Speak Up For The Ocean Blue

Andrew Lewin - Marine Biologist and Ocean Conservationist

Speak Up For The Ocean Blue raises awareness of the variety of ocean science and conservation projects conducted all around the world. It educates you, the listener, on the different Ocean C...

Episodes

20 of 2,036 episodes

Come for the Impact, Stay for the People: Inside Surfrider Canada

Do you ever feel like ocean action is happening somewhere else? You sign the petition, maybe donate, but you're not really part of the work....

49:51Nov 2, 2026

One Promise: How a Postcard Changed Behaviour for a Year

Picture a kid at an aquarium in Durban, standing in front of the penguins with a pen and a postcard. She writes one sentence, a promise to c...

12:40Oct 31, 2026

Why Saying "Fishing Is Bad" Backfires

Picture a woman on a beach before sunrise, sorting the night's catch to feed her kids. Now picture a campaign poster that says "Stop eating...

10:23Oct 29, 2026

The Reef That Built Itself Back: Coral Recovery After Bleaching

In 2023, a marine heat wave settled over Palmyra Atoll, a remote ring of coral islands about 1,000 miles south of Hawaii, and stayed for mor...

15:37Oct 28, 2026

Why Nobody Can Name a Marine Protected Area

Quick test: name one marine protected area in your country. If you came up blank, you're in good company. When an aquarium in Durban, South...

13:31Oct 27, 2026

Can You Name One Marine Protected Area? Dr. Judy Mann-Lang on MPA Day

Most people can't name a single marine protected area in their own country. Dr. Judy Mann-Lang found that out the hard way when she asked aq...

56:31Oct 26, 2026

What the Sustainable Seafood Label Can't See

You bought the fish with the green check mark. Investigators with The Outlaw Ocean Project then checked the supply chains behind hundreds of...

10:51Oct 23, 2026

Ships Without License Plates: The Dark Fleet Behind Fishmeal

In a single day in March 2024, Gambian navy officers arrested eight industrial trawlers. Seven were fishing in waters reserved for local can...

15:28Oct 22, 2026

Whose Dinner Becomes Fish Feed?

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. Invest...

20:07Oct 21, 2026

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

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 sustain...

12:20Oct 20, 2026

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

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-cau...

01:06:24Oct 19, 2026

How to Read the Seafood Counter Like a Marine Biologist

Picture a big sign over the seafood counter promising sustainable fishing, with a fish every independent guide says to avoid sitting on ice...

12:42Oct 16, 2026

Is Bottom Trawling Always Bad? It Depends Where

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...

14:45Oct 15, 2026

The Trapdoor That Saves Sea Turtles From Shrimp Nets

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 throug...

16:49Oct 14, 2026

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

Five centuries ago, explorers off Newfoundland described cod so plentiful that a weighted basket lowered into the sea came back full. By Jul...

19:49Oct 13, 2026

How to Choose Sustainable Seafood

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,"...

01:06:04Oct 12, 2026

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

Blue whales can't dodge ships. When scientists tracked blue whales alongside cargo ships off Southern California, the whales responded in ju...

10:46Oct 11, 2026

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

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 no...

10:10Oct 8, 2026

The Whale Heart That Beats Twice a Minute

Fill your hands with cold water, hold your breath, and press your face in. Your heart slows within seconds. That reflex lives in every whale...

09:39Oct 7, 2026

The Biggest Mouthful: How Blue Whales Eat and Why Krill Matters

A blue whale can swallow a volume of water bigger than its own body in a single gulp. That move, called lunge feeding, is one of the most ex...

10:57Oct 6, 2026