Red Tide, Decoded: Why It Isn't Random, and How to Track It
No smell. No warning. Just a beach full of people who start coughing at the same time, grab their towels, and leave. That's red tide, and it...
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Science & Medicine
The Speak Up For Blue Podcast
The Speak Up For Blue Podcast 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...
Episodes
20 of 2,003 episodes
Nature's Kidneys: How Coastal Wetlands Stop Ocean Pollution
Green water. A smell that won't go away. Sometimes, dead fish washing up on shore. That's what too much nitrogen does to a coastline, and it...
Blue Nitrogen: The Nutrient Story Coastal Wetlands Have Been Hiding
Every time this podcast talks about coastal wetlands, the conversation goes straight to carbon. Marshes, mangroves, and seagrasses pull carb...
Who Pays for Plastic? Inside the Law Quietly Shifting the Bill to Producers
For decades, the honest answer to "who pays to deal with plastic packaging once it leaves the shelf" was taxpayers, quietly, through municip...
Inside Ocean Conservancy's Fight to Make Washing Machine Filters the Law
Ocean Conservancy's "Not Safe for Wash" campaign is built around a simple premise: the fix for washing machine microfiber pollution already...
Your Washing Machine Sheds Up to 18 Million Microfibers a Load
Every wash cycle sheds plastic. Last Monday, Andrew talked with Dr. Anja Brandon of Ocean Conservancy about microfiber pollution, and one qu...
Can Bacteria Actually Eat Plastic?
Bacteria that eat plastic sounds like the fix everyone's been waiting for, and Andrew gets sent videos about it constantly. So on this solo...
The 90 Percent Fix Hiding in Your Laundry Room
Every time you run a load of laundry, your washing machine sheds plastic. Not metaphorically: synthetic clothing made from polyester, nylon,...
A New PBS Documentary Wants You to Care About Coral. Meet the Man Behind It.
A new documentary called Descent – Into the Blue starts airing on public television stations nationwide on September 1, 2026. It's narrated...
Show Me the Receipts: Why I.CARE Monitors Every Coral It Plants
Most coral restoration groups check on a sample of what they've planted, often around 20 to 30 percent, and report that sample as if it repr...
The Nursery Hack That Pays for Itself
Coral nurseries need constant maintenance, and that maintenance is expensive and relentless. When Andrew talked to Mike Goldberg, co-founder...
He Almost Quit the Dive Business. Then a Coral Reef PhD Student Walked In.
Mike Goldberg had over 10,000 dives and decades running a dive shop in the Florida Keys, enough time to have seen the reefs at their pristin...
84 Percent: Inside the Worst Coral Bleaching Event Ever Recorded
This year, most of the coral on the planet went through heat stress severe enough to bleach it. That's not a rounding error: 84 percent of t...
Everyone in the Tent: How Ocean Treaties Actually Get Made
Holly Koehler has spent almost thirty years in rooms most people never think about: windowless UN offices in New York, the FAO in Rome, and...
Inside the System That Makes a Seafood Label Trustworthy
Between a fishing vessel out on the water and a can of tuna in your grocery cart, there is a complex, little-understood system working to ve...
The Ship Has Reached the Shore: The High Seas Treaty Explained
There's a video online of a room full of exhausted diplomats breaking into applause after nearly 20 years of work. One woman brings down the...
Corals Nearly as Old as the Pyramids, and the Fight to Save Them
Somewhere on the ocean floor right now, a coral colony has been growing since before the Great Pyramid of Giza was finished. One deep-water...
A Summer Internship, Thirty Years, and One Career for the Ages
A grad student faces a simple choice: write another term paper, or take a summer internship. She takes the internship, gets assigned to sea...
Deep Sea Mining Exposed: Inside the Fight to Save the Ocean's Last Frontier
Deep sea mining is no longer theoretical. In this episode, Andrew sits down with Matthew Gianni, co-founder and Political and Policy Advisor...
5,000 New Species Prove the "Ocean Desert" Deep Sea Mining Claim Is Wrong
In September 2021, Time magazine profiled Gerard Barron, CEO of The Metals Company (TMC), and his push to mine the Clarion Clipperton Zone (...