A New PBS Documentary Wants You to Care About Coral. Meet the Man Behind It.
Release Date: 09/04/2026
How To Protect The Ocean
What happens to the heart of the largest animal on Earth when it charges into a swarm of krill? Dr. Ashley Blawas, a postdoctoral scholar in Jeremy Goldbogen's lab at Stanford's Hopkins Marine Station, joins Andrew to unpack new research published in PNAS that measured the heart rates of lunge-feeding blue whales and humpback whales using suction-cup ECG tags. Ashley explains the three phases of lunge feeding (accelerate, engulf, filter) and why these giants behave a lot like human sprinters. Their heart rates stay high after each lunge, then gradually recover while they glide and filter,...
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In 1988, someone found a striped mussel the size of a fingernail in Lake St. Clair. Within a few years, zebra mussels coated pipes, boats, and the bottom of the Great Lakes, and they became the poster child for "it's too late." Andrew closes Marine Pollution week with the pollutant that breaks every rule: a living one that reproduces instead of diluting. He follows two invaders. Zebra mussels rode in on ship ballast water, clogged power plant intakes, and stripped plankton from the base of the food web. Lionfish, likely released from home aquariums, spread from Florida across the Caribbean and...
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You rinse the yogurt tub, check the number on the bottom, and drop it in the blue bin. In Canada, only about 9% of plastic waste actually gets recycled, and the global rate is the same. Andrew breaks down why plastic is so hard to recycle, why microplastics are so hard to study, and what the controversy over plastic-in-the-brain headlines does and doesn't tell us. Then the story moves to a beach in Stanley Park in 1994, where Vancouver Aquarium staff and volunteers started picking up trash and writing down what they found. That cleanup grew into a national program, and its data fed into the...
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In 2001, government scientists started adding a tiny amount of the synthetic estrogen found in birth control pills to a remote lake in northwestern Ontario, at levels already measured in city wastewater. Within seven weeks, male fish were making egg-yolk protein. After two summers, some had eggs growing in their testes, and the fathead minnow population collapsed to about 1% of normal. Andrew explains how the same chemistry leaves our bodies every day, passes through treatment plants built for sewage and bacteria, and flows into rivers, lakes, and the coast. Hormones are only part of it. In...
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This summer, people are boarding whale watching boats and seeing humpbacks feeding in sight of the Manhattan skyline. Fifty years ago, that same water was an open sewer, and every toilet on Manhattan's West Side flushed straight into the Hudson River, untreated. Andrew tells the story of how the whales got here, and why it took most of a century. He starts with the cause: sewers built to empty into the rivers, roughly 590 million gallons of raw sewage a day by the early 1900s, and floating screens at Coney Island to keep it away from swimmers. Then the turn. The city began testing the harbor...
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Plastic keeps getting made, it never goes away, and almost none of it gets recycled. Dr. Judith Weis, Professor Emerita at Rutgers University Newark and Andrew's very first guest on this podcast more than 2,000 episodes ago, returns for her fourth appearance to talk about the second edition of her book, Marine Pollution: What Everyone Needs to Know. Judith walks through every major category of marine pollution: nutrients, metals, oil, pesticides, marine debris, pharmaceuticals, ocean acidification, and one category that surprises most people, biological pollution. She explains why...
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All week, Andrew has asked listeners to comment on and show up for California's marine protected area review. Today he answers the question that comes after: once the meeting ends and the news coverage stops, how do you find out if anything actually changed? He works through four practical questions every ocean advocate should know how to answer. First, where to find the current rules for any of the 124 MPAs in California's network (the California Department of Fish and Wildlife's own MPA pages). Second, why a Fish and Game Commission vote isn't the finish line, since approved changes still go...
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Earlier this year, about 65,000 people submitted comments on a federal deep-sea mining proposal near the Northern Mariana Islands, most of them opposed. The area under consideration nearly doubled anyway. So why should anyone show up to a public meeting about the ocean? Andrew Lewin makes the case with two marine protected area processes that earned broad public support by design. The first is the Great Barrier Reef Marine Park's Representative Areas Program, which rezoned the entire park between 1999 and 2004. Two formal community participation phases, one before any draft existed, drew more...
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In 2014, just two years after California finished its statewide network of marine protected areas, a marine heatwave known as The Blob settled over the Pacific coast and stayed for two years. Kelp forests collapsed up and down the state, and sea star wasting disease wiped out sea stars on a scale few scientists had seen. For a network built partly to protect kelp habitat, it was the worst possible first test. Andrew Lewin walks through what the state learned when it checked. California's first Decadal Management Review pulled together long-term monitoring across kelp forests, rocky reefs, the...
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In 1999, California passed a law ordering the state to fix its patchwork of ocean parks. For two years, almost nothing happened, and two attempts to get the process moving both failed. It took a 2004 public-private partnership, roughly $35 million in public and philanthropic funding, and a decade of work before the state had a real network of marine protected areas. Partway through that decade, more than 300 people from over 50 tribal nations walked into a public meeting in Fort Bragg to protest how the process was treating their rights. Andrew Lewin walks through what actually happened...
info_outlineA new documentary called Descent – Into the Blue starts airing on public television stations nationwide on September 1, 2026. It's narrated by Peter Coyote, directed by Rory Fielding, and one of its central voices is Mike Goldberg, co-founder of the Florida Keys coral restoration nonprofit I.CARE and owner of Key Dives in Islamorada. Andrew sits down with Mike for the full, unedited version of the conversation this week's four solo episodes have been building toward: 30-plus years running a dive shop, more than 10,000 dives, and a front-row seat to watching the reefs he built his life around collapse under a 2008 bleaching event and, roughly a decade later, Stony Coral Tissue Loss Disease. His wife once told him to get out of the business before there was nothing left to sell. Instead, a PhD student who wandered in to fill a couple of scuba tanks became his co-founder, and I.CARE was born.
This episode covers ground the earlier ones in the week didn't get to. Mike explains how a chance lunch with Rory Fielding turned into the documentary, and what he hopes it does for people who've never thought about coral reefs, people, in his words, who "live in St. Louis" and have no reason to. He shares his own anecdotal read (his word, not a scientific claim) that this year's water temperatures would have triggered a mass bleaching event by 1995 standards but haven't, which he takes as a sign that the corals I.CARE has propagated over five and a half years are more heat-resistant than their parents. And he walks through, in his own words, exactly how I.CARE pays for all of it: a $2 add-on on every $100 dive across three Keys dive shops, his own personal 2 percent of dive revenue, and a fiduciary responsibility he says applies just as much to a $2 donor as a major one.
The conversation closes on money and trust, the two things every restoration group eventually has to answer for. Florida's state-level coral restoration funding is genuinely uncertain heading into next year, which makes I.CARE's mostly visitor-funded model and its habit of monitoring 100 percent of what it plants (a 47 percent one-year survival rate across 17 species, reported every year including through the 2023 bleaching event) matter more than it would in a calmer funding environment. Mike's own dive shop, Key Dives, also picked up four first-place wins in Scuba Diving Magazine's 2026 Readers Choice Awards for the US and Canada region, a business result Mike ties directly back to the restoration work. This is the fifth and final episode of a week built around Andrew's interview with Mike Goldberg, co-founder of I.CARE.
The Trailer: https://vimeo.com/1053261342
Takeaways:
- Descent – Into the Blue, a new documentary narrated by Peter Coyote, starts airing on public television stations nationwide September 1, 2026, and Mike Goldberg appears in it as one of its central voices.
- Mike's own read that this year's heat would have caused mass bleaching by 1995 standards but hasn't is his personal, anecdotal observation, not a peer-reviewed finding, a distinction he makes himself on air.
- I.CARE's funding model is built from small, mandatory, layered fees (a $2 dive add-on, Mike's personal 2 percent donation, an additional local-diver fee), not one large ask, and Mike frames all of it as a fiduciary responsibility to every participant.
- I.CARE monitors 100 percent of what it plants rather than a sample, producing a 47 percent one-year survival rate across 17 species that it has reported every year, including through the 2023 bleaching event.
- Florida's state coral restoration funding is genuinely uncertain right now, which is exactly why a visitor-funded, radically transparent model matters more today than it would in a more stable funding environment.