PODCAST · science
How To Protect The Ocean
by Andrew Lewin
Dive into the Depths: Join Andrew Lewin on 'How to Protect the Ocean' – Your Gateway to Exclusive Ocean Insights! Explore the latest, uncharted realms of ocean science and conservation that you won't find anywhere else. Andrew takes you on an inspiring journey to uncover the hidden gems of oceanic discovery and initiatives. Tune in to discover how you can transform your life for a better ocean, one episode at a time.The How To Protect The Ocean is your resource to keep you informed on the latest ocean news; teach you how to speak up for the ocean; and, how you can take action to live for a better ocean. There is so much information on the ocean and the issues that are affecting it that it can be difficult to find optimism in the future of the ocean. Climate change, overfishing, plastic pollution, water pollution, and coastal development have altered the ocean in ways that have negatively changed the way we use it. The repercussions of climate change, including the ominous specter of
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1000
Nearly 2,000 Volunteers Just Answered the Ocean's Biggest Question
For more than a decade, almost 2,000 volunteers have walked California's beaches with clipboards, counting every swimmer, surfer, angler, and boat they see. It sounds simple, maybe even a little strange. But that pile of data, more than a million tally marks collected between 2012 and 2020, just answered a question marine scientists have debated for years: do marine protected areas actually work in the real world, not just on paper? In this episode, we walk through what researchers found when they finally pulled that decade of volunteer data together. We look at how the MPA Watch program trains everyday people to track human activity on the coast, how scientists stripped out the noise to find the real signal, and what the numbers say about compliance, recreation, and enforcement inside no-take zones. We also connect this human data to a separate decade of underwater fish surveys, and to the famous Cabo Pulmo recovery story, to show why watching people matters as much as watching fish. The takeaway is simple but important. Ocean protection does not have to mean locking people out, and it does not happen by accident. It works when people believe in it, follow it, and watch over it, and this episode gives you a few concrete ways to be one of those people, whether that means joining MPA Watch yourself, learning your local rules, or just reporting what you see. Support Independent Podcasts: https://www.speakupforblue.com/patreon Need help with your ocean non-profit, company, or project? Get the help you need with Pisces Oceans Inc.: https://www.piscesoceans.ca 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
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999
The Silent Damage Behind Your Canned Tuna
Right now, somewhere in the open ocean, a raft the size of a small table is drifting with no one steering it. It's called a fish aggregating device, or FAD, and the tuna industry drops thousands of them into the water every year to lure fish to the surface. A new study published in Science Advances tracked where these rafts actually end up, and the answer is unsettling: they've likely drifted through more than half of the world's marine protected areas by total area, with over 6,300 strandings recorded across 174 protected areas in 53 countries and territories. When a drifting FAD washes onto a reef, its trailing net snags and breaks coral, then breaks down into plastic pollution in the exact places set aside to stay clean. The nets keep "ghost fishing" long after anyone's watching, entangling turtles and sharks. Nearly 500 at-risk species live in the protected areas where these strandings happen, and the cleanup burden usually falls on small island communities who never saw a dollar of profit from the tuna these devices caught. Andrew breaks down what the study found, why protected areas can't defend against gear that doesn't recognize boundaries, and the one label on a can of tuna that tells you whether you're funding this problem or not. It's a same-day, ten-second habit that pushes back on the exact fishing method behind the damage. Support Independent Podcasts: https://www.speakupforblue.com/patreon Need help with your ocean non-profit, company, or project? Get the help you need with Pisces Oceans Inc.: https://www.piscesoceans.ca 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
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998
The Hidden Solar Power Plant Living on Coral Reefs
Scientists have uncovered an incredible secret hiding in plain sight on coral reefs. Some tropical sea sponges are able to harvest sunlight through microscopic algae living inside their tissues, giving them a surprising source of energy. It is a discovery that challenges what we thought we knew about one of the ocean's oldest animals. In this episode, we explore how these ancient filter feeders use a partnership with algae to survive and thrive in nutrient-poor tropical waters. You'll learn why this relationship is similar to the one that helps corals build reefs and why researchers believe sponges play a much bigger role in reef ecosystems than previously recognized. Sometimes the most important discoveries come from the animals we pay the least attention to. If we want to protect coral reefs, we need to understand every species that helps keep them functioning. This new research reminds us that even the simplest-looking organisms can have extraordinary abilities and may be far more important than we ever imagined. Follow the podcast for more weekday ocean news that helps you better understand our blue planet. Support Independent Podcasts: https://www.speakupforblue.com/patreon Need help with your ocean non-profit, company, or project? Get the help you need with Pisces Oceans Inc.: https://www.piscesoceans.ca 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
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997
What Happens to Your Water Before the Coast Floods?
Sea level rise isn't always dramatic. Long before homes disappear beneath the waves, coastal communities can lose something even more essential: safe drinking water. In this episode, we explore how saltwater is quietly moving into freshwater supplies across coastal Bangladesh and why this hidden impact deserves far more attention. Using a recent Mongabay commentary as a starting point, you'll learn how rising seas, changing rivers, and human activities are combining to reshape one of the world's largest river deltas. The consequences extend beyond drinking water to agriculture, public health, local economies, and the future of entire communities. It is a reminder that climate change often begins with changes we cannot immediately see. This isn't just Bangladesh's story. Coastal communities around the world are becoming more vulnerable to saltwater intrusion as sea levels continue to rise. Understanding these early warning signs helps us better prepare for a future where protecting freshwater may become just as important as protecting our shorelines. Source: https://news.mongabay.com/2026/07/sea-level-rise-is-ruining-coastal-bangladesh-with-salty-water-commentary/ Support Independent Podcasts: https://www.speakupforblue.com/patreon Need help with your ocean non-profit, company, or project? Get the help you need with Pisces Oceans Inc.: https://www.piscesoceans.ca 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
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996
The World Just Promised Billions, But Will the Ocean Benefit?
The world just pledged more than $6.4 billion for ocean conservation at the 2026 Our Ocean Conference, but history tells us that big announcements do not always lead to meaningful action. In this episode, we unpack what was actually announced, who made the commitments, and why the headline number is only part of the story. You'll learn why this year's conference in Kenya was especially significant and what makes these commitments different from legally binding agreements. We also explore the question that rarely gets asked: how do we know whether these promises will ever become real conservation outcomes? From sustainable fisheries and marine protected areas to climate resilience and the blue economy, we examine where the money is intended to go and what could stand in the way of success. If you've ever wondered whether international ocean conferences are worth paying attention to, this episode is for you. Finally, we discuss why accountability matters more than announcements, and what to watch for over the coming months as organizations begin turning promises into action. With the next Our Ocean Conference heading to Halifax, this conversation offers a timely look at how global cooperation can help protect our ocean if the commitments are actually delivered. Support Independent Podcasts: https://www.speakupforblue.com/patreon Need help with your ocean non-profit, company, or project? Get the help you need with Pisces Oceans Inc.: https://www.piscesoceans.ca 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
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995
The Deep Sea Isn't Barren, Here's Why That Changes Everything
Most people picture the deep sea as a dark, empty place where almost nothing can survive. The truth is far more surprising. Thousands of meters below the surface lives an extraordinary world filled with ancient corals, giant sponges, glowing jellyfish, strange fish, and species that scientists are still discovering today. In this episode, you'll learn how life has adapted to crushing pressure, freezing temperatures, and complete darkness. You'll also discover why deep-sea ecosystems are some of the most important habitats on Earth, supporting biodiversity, fisheries, and even helping us better understand how life itself can evolve under extreme conditions. The more scientists explore the deep sea, the more they realize how much remains unknown. That mystery is exciting, but it also makes protecting these fragile ecosystems more important than ever. If you've ever wondered what really lives in the deepest parts of our ocean, this episode will change the way you think about the world beneath the waves. Support Independent Podcasts: https://www.speakupforblue.com/patreon Need help with your ocean non-profit, company, or project? Get the help you need with Pisces Oceans Inc.: https://www.piscesoceans.ca 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
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994
What Happens to Ocean Science During a War?
What happens to marine conservation when a humanitarian crisis unfolds? In this episode of How to Protect the Ocean, we explore the remarkable story of marine scientist Mohammed Abu Daya, whose work studying endangered giant devil rays has continued despite the immense challenges of living and working in Gaza. His story reminds us that conservation is ultimately about people as much as it is about wildlife. You'll learn why giant devil rays are among the Mediterranean's most vulnerable species, why scientists still know so little about them, and how local research can shape global conservation efforts. We also look at the unique challenges facing marine ecosystems during times of conflict and why protecting biodiversity cannot simply be put on hold. This episode is about resilience, science, and hope. It highlights the dedication of researchers who continue gathering critical information under extraordinary circumstances and shows why every piece of knowledge matters for protecting our ocean. Follow How to Protect the Ocean for your next weekday ocean news update. Support Independent Podcasts: https://www.speakupforblue.com/patreon Need help with your ocean non-profit, company, or project? Get the help you need with Pisces Oceans Inc.: https://www.piscesoceans.ca 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
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993
The Hard Truth About Working in Ocean Conservation
After 11 years of hosting How to Protect the Ocean, I wanted to take a step back and reflect on what the journey has taught me. What started as a simple passion project became a platform for ocean storytelling, science communication, and career development. Along the way, I learned lessons about persistence, networking, and creating opportunities that I never could have predicted when I published the first episode. One of the biggest takeaways is that building a career in marine science and conservation is rarely a straight line. Many people enter the field because they love the ocean, but passion alone is not enough. Success often comes from gaining experience, volunteering, developing new skills, and continuing to show up even when progress feels slow. In this episode, I share the lessons that emerged from more than a decade of conversations with scientists, conservationists, policymakers, and ocean advocates. We discuss why visibility matters, how side projects can shape your future, and why consistency is often the most important skill of all. Whether you are just starting your ocean career or looking for inspiration to keep going, this episode offers an honest look at what it takes to build something meaningful over time. Support Independent Podcasts: https://www.speakupforblue.com/patreon Need help with your ocean non-profit, company, or project? Get the help you need with Pisces Oceans Inc.: https://www.piscesoceans.ca 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
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992
The Ocean Sensors We Almost Lost
What happens when one of the world's most important ocean monitoring systems is nearly shut down? The Ocean Observatories Initiative (OOI) collects critical data on ocean temperatures, oxygen levels, currents, marine ecosystems, and climate change. Earlier this year, parts of the program faced significant cuts, raising concerns among scientists, policymakers, and ocean advocates. In this episode, we explore why researchers fought so hard to save the OOI, how the National Academies challenged the justification for the cuts, and why long-term ocean observations are essential for understanding climate change, marine ecosystems, and the future of ocean conservation. If we stop watching the ocean, what might we miss? Support Independent Podcasts: https://www.speakupforblue.com/patreon Need help with your ocean non-profit, company, or project? Get the help you need with Pisces Oceans Inc.: https://www.piscesoceans.ca 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
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991
The Power Shift Changing Ocean Projects in Canada
For decades, Indigenous communities were often asked whether they approved of projects happening in their territories. But a different question is now emerging: why should they not own part of those projects? In this episode of How to Protect the Ocean, Andrew Lewin looks at the shift from consultation to Indigenous ownership in ocean conservation, fisheries, infrastructure, and ocean technology. From the Mi'kmaq ownership stake in Clearwater Seafoods to the future of ocean data, monitoring, and blue economy projects, this episode asks who gets to lead, who benefits, and why ownership may shape the future of conservation more than technology alone. Support Independent Podcasts: https://www.speakupforblue.com/patreon Need help with your ocean non-profit, company, or project? Get the help you need with Pisces Oceans Inc.: https://www.piscesoceans.ca 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
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ABOUT THIS SHOW
Dive into the Depths: Join Andrew Lewin on 'How to Protect the Ocean' – Your Gateway to Exclusive Ocean Insights! Explore the latest, uncharted realms of ocean science and conservation that you won't find anywhere else. Andrew takes you on an inspiring journey to uncover the hidden gems of oceanic discovery and initiatives. Tune in to discover how you can transform your life for a better ocean, one episode at a time.The How To Protect The Ocean is your resource to keep you informed on the latest ocean news; teach you how to speak up for the ocean; and, how you can take action to live for a better ocean. There is so much information on the ocean and the issues that are affecting it that it can be difficult to find optimism in the future of the ocean. Climate change, overfishing, plastic pollution, water pollution, and coastal development have altered the ocean in ways that have negatively changed the way we use it. The repercussions of climate change, including the ominous specter of
HOSTED BY
Andrew Lewin
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