Climate Change Actions Using Sargassum and Black Fly Larvae
Release Date: 12/23/2024
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....
info_outline
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,...
info_outline
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...
info_outline
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...
info_outline
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...
info_outline
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...
info_outline
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,...
info_outline
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...
info_outline
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...
info_outline
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_outlineIn this episode of the "How to Protect the Ocean" podcast, host Andrew Lewin interviews Dr. Annalisa Bracco, a professor at Georgia Tech specializing in ocean and climate dynamics. The discussion centers around innovative climate solutions, moving away from the typical focus on the negative impacts of climate change.
Key Climate Solutions Discussed:
Sargassum Management:
Problem: Since 2011, there have been significant blooms of sargassum in the tropical Atlantic, impacting beaches in the Caribbean and Gulf of Mexico. These blooms require costly cleanup efforts, amounting to approximately $300 million per year.
Solutions:
-
-
Sinking Sargassum: Research is being conducted to explore the feasibility of sinking sargassum to sequester carbon. This involves understanding the ecological impacts and ensuring that the carbon captured is not released back into the atmosphere.
-
Biofuel Production: Collaborations with engineers and biologists are underway to convert sargassum into biofuels. One approach involves using black fly larvae, which can efficiently consume sargassum and accumulate lipids for biofuel extraction.
-
Bricks from Sargassum: A small business in Mexico is creating bricks from dried sargassum, which are reported to be more resilient to storms than traditional building materials.
-
Coral Reef Connectivity:
-
-
Dr. Bracco's team is using machine learning to study the connectivity among coral reefs, which is crucial for understanding how larvae disperse and how healthy ecosystems can support one another.
-
The research highlights the dynamic nature of coral ecosystems, particularly in the Pacific, where certain areas can recover from bleaching events due to the exchange of larvae. In contrast, the Atlantic faces challenges due to pollution and overfishing, which hinder recovery.
-
Interdisciplinary Collaboration:
-
-
The episode emphasizes the importance of interdisciplinary work in addressing climate issues. Dr. Bracco collaborates with experts from various fields, including biology, engineering, and computer science, to develop comprehensive solutions to climate challenges.
-
Overall, the episode provides a hopeful perspective on climate solutions, showcasing innovative approaches to managing ocean health and addressing the impacts of climate change.
Social Media:
X/Twitter: https://x.com/georgiatecheas
Facebook: https://www.facebook.com/GEORGIATECHEAS/
Sign Up for Updates on the process: www.speakupforblue.com/oceanapp
Connect with Speak Up For Blue:
Website: https://bit.ly/3fOF3Wf
Instagram: https://bit.ly/3rIaJSG
TikTok: https://www.tiktok.com/@speakupforblue
Twitter: https://bit.ly/3rHZxpc
YouTube: www.speakupforblue.com/youtube