Your Washing Machine Sheds Up to 18 Million Microfibers a Load
How To Protect The Ocean
Every wash cycle sheds plastic. Last Monday, Andrew talked with Dr. Anja Brandon of Ocean Conservancy about microfiber pollution, and one question from that conversation stuck with him: has anyone actually fixed this yet? In this solo follow-up, Andrew traces a microfiber's actual path, from the moment agitation, heat, and detergent work it loose from a shirt, through the drain, into a wastewater treatment plant, and out the other side into biosolids, farmland, rivers, and the ocean, with a growing body of research suggesting some of it ends up in human lungs and even in the human placenta....
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Can Bacteria Actually Eat Plastic?
How To Protect The Ocean
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 episode, following Monday's interview with Dr. Anja Brandon of Ocean Conservancy, he goes looking for the real state of the science. The short version: it's promising, it's roughly a decade of real research deep, and it is nowhere close to running at the scale the ocean plastic crisis actually needs. The bacterium that started this whole field, Ideonella sakaiensis, was discovered breaking down PET plastic in Japan in 2016. A 2025 breakthrough from NREL,...
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The 90 Percent Fix Hiding in Your Laundry Room
How To Protect The Ocean
Every time you run a load of laundry, your washing machine sheds plastic. Not metaphorically: synthetic clothing made from polyester, nylon, and rayon releases microfibers with every wash, and depending on the study, a single load can shed anywhere from a few hundred thousand to millions of them. Most of us have never thought about it, because unlike a plastic bag on the beach, you can't see it happening. In this episode, Andrew talks with Dr. Anja Brandon, Director of Plastics Policy at Ocean Conservancy, about the plastic pollution problem hiding in plain sight behind the more familiar...
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A New PBS Documentary Wants You to Care About Coral. Meet the Man Behind It.
How To Protect The Ocean
A 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...
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Show Me the Receipts: Why I.CARE Monitors Every Coral It Plants
How To Protect The Ocean
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 represents everything in the water. I.CARE checks on all of it. Every single coral outplant gets monitored at one week, one month, 90 days, then one, two, and three years, with no substitute and nothing left unaccounted for. That rule was built in by co-founders Mike Goldberg and Dr. Kylie Smith before I.CARE ever planted its first coral, and Mike frames it as a matter of fiduciary duty, the same obligation he'd expect from anyone handling someone else's...
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The Nursery Hack That Pays for Itself
How To Protect The Ocean
Coral nurseries need constant maintenance, and that maintenance is expensive and relentless. When Andrew talked to Mike Goldberg, co-founder of I.CARE, his answer wasn't to hire more staff. It was to let paying customers do it for the fun of it. Mike owns a dive shop in the Florida Keys, so the paying customers are scuba divers, and over the years he's built a funding model so small that nobody has ever really complained about it. None of that makes sense until you understand what coral actually is. It's an animal, not a plant or a rock: what looks like one coral "head" is really a colony of...
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He Almost Quit the Dive Business. Then a Coral Reef PhD Student Walked In.
How To Protect The Ocean
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 pristine best. Then came a coral bleaching event in 2008, and a few years later, Stony Coral Tissue Loss Disease, a still-unexplained outbreak that's killed coral tissue outright across more than 20 of Florida's roughly 45 stony coral species since 2014. At one point his wife told him directly: the reef isn't what it used to be, and it's not getting better. Get out of the business before there's nothing left to sell. He didn't know what to do about it. Then,...
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84 Percent: Inside the Worst Coral Bleaching Event Ever Recorded
How To Protect The Ocean
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 the world's reef area, across the Pacific, Atlantic, and Indian Oceans, and NOAA had to add three brand-new alert levels to its Coral Reef Watch scale because the existing one had no category for what was happening. In this episode, Andrew breaks down exactly where global coral reefs stand right now: how the fourth global mass bleaching event on record got declared, why NOAA waited until 2026 to confirm it had actually ended, and why every global bleaching...
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Everyone in the Tent: How Ocean Treaties Actually Get Made
How To Protect The Ocean
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 what she calls "oftentimes very boring hotel ballrooms around the world," where countries hash out how the ocean actually gets managed. She's the Vice President of Policy and Outreach at the International Seafood Sustainability Foundation (ISSF), and before that she spent thirteen years at the U.S. State Department's Office of Marine Conservation, chairing international fisheries negotiations. In this episode, she walks Andrew through how a grad-school...
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Inside the System That Makes a Seafood Label Trustworthy
How To Protect The Ocean
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 verify whether you should trust what is on the label. In this episode of the How to Protect the Ocean Podcast, host Andrew Lewin breaks down how that system actually works, and why the blue check mark on your seafood means something real. Andrew starts with the RFMO, a regional fisheries management organization: a treaty-based body where countries with a stake in a fishery legally bind themselves to cooperate on how it is managed. He walks through where...
info_outlineBacteria that eat plastic sounds like the fix everyone's been waiting for, and Andrew gets sent videos about it constantly. So on this solo episode, following Monday's interview with Dr. Anja Brandon of Ocean Conservancy, he goes looking for the real state of the science. The short version: it's promising, it's roughly a decade of real research deep, and it is nowhere close to running at the scale the ocean plastic crisis actually needs.
The bacterium that started this whole field, Ideonella sakaiensis, was discovered breaking down PET plastic in Japan in 2016. A 2025 breakthrough from NREL, UMass Lowell, and the University of Portsmouth engineered an improved PET-degrading enzyme that cut chemical use by more than 99%, running costs by 74%, and energy use by 65%, modeling out to a cost that actually undercuts virgin plastic. It's a genuinely exciting result. It's also still lab-stage, with no commercial plant running it yet. Carbios, the French company furthest along at trying to bring enzymatic PET recycling to industrial scale, is proof of just how hard that jump is: its flagship French plant is delayed, its cash reserves have been cut by more than a third, it slashed 40% of its workforce, and it's now pivoting toward a joint venture in China that's faced its own shareholder disputes.
Then there's the other technology people call "plastic-eating," chemical recycling through pyrolysis, which isn't biological at all. It's plastic melted down with extreme heat back into oil and gas, currently handling under 1.3% of US plastic waste according to advocacy group Beyond Plastics, regulated by the EPA as a form of incineration (a classification the agency is actively trying to change as of this year), and excluded from the EU's own definition of recycling entirely. Andrew lays out where the real hope sits, where the hype outruns the evidence, and why reduce, reuse, and refuse still does more for the ocean than any of this, at least for now.
Takeaways:
- The bacterium behind the "plastic-eating bacteria" field, Ideonella sakaiensis, was discovered in Japan in 2016, and the research is real but still roughly a decade from meaningful commercial scale.
- A 2025 enzyme breakthrough from NREL, UMass Lowell, and the University of Portsmouth models out to costs that undercut virgin plastic, but it's a lab and modeling result, not a running commercial plant.
- Carbios, the company furthest along at industrial-scale enzymatic PET recycling, still can't get its flagship French plant operational and is now pivoting toward a contested joint venture in China.
- Chemical recycling (pyrolysis) is a separate, non-biological technology that melts plastic down with heat, currently handles under 1.3% of US plastic waste, and is regulated by the EPA as incineration, a classification the agency is actively trying to change in 2026.
- Advocacy group Beyond Plastics found pyrolysis facility emissions can run 10 to 100 times higher than making virgin plastic, and that multiple US pyrolysis facilities have already shut down or gone bankrupt.
- None of these technologies are close to solving ocean plastic pollution at scale right now; reducing single-use plastics at the source still does more, and that requires government leadership, not just individual habit changes.
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