How To Protect The Ocean

By Andrew LewinScience Nature

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How To Protect The Ocean episodes

July 14 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
12 min
July 13 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
6 min
July 10 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
8 min
July 09 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

11 min
July 08 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
10 min
July 07 What Dead Seabirds Are Trying to Tell Us About the Pacific Ocean
Thousands of seabirds are washing ashore along California's coast, starving, exhausted, and unable to find enough food. While the images are heartbreaking, scientists say the birds are only the visible symptom of a much larger problem unfolding beneath the surface. In this episode, we explore why seabirds are dying and what their struggle reveals about the health of the Pacific Ocean.

You'll learn how marine heat waves are disrupting one of the world's most productive ocean ecosystems by reducing nutrients, shrinking fish populations, and breaking apart the marine food web. We also look at why seabirds act as early warning indicators, often showing us that something is wrong long before the full impact reaches fisheries, marine mammals, or coastal communities.

With another powerful El Niño expected to develop, these warning signs may become even more important in the years ahead. Understanding what is happening today can help us prepare for tomorrow and remind us why protecting ocean ecosystems means protecting the communities and wildlife that depend on them. Listen now to discover why the fate of seabirds matters to all of us.

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
9 min
July 06 Who Really Decides Canada's Climate Future?
Canada has admitted it is no longer on track to meet its 2030 climate targets, but the reasons go far beyond domestic politics. In this episode, we explore how changing economic priorities are reshaping Canada's approach to climate action. The surprising twist is that many of these changes begin outside Canada's borders.

New U.S. tariffs and shifting trade policies are putting pressure on Canada's economy, forcing leaders to rethink where to invest and what to prioritize. As economic policy changes, climate policy often changes with it. We follow that chain of events to understand why Canada's emissions outlook has changed and what it means going forward.

Finally, we connect the dots to the ocean. Slower climate progress means greater risks for marine ecosystems, coastal communities, and the industries that depend on healthy oceans. If you've ever wondered how international politics can influence ocean conservation, this episode brings the whole picture together.

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

9 min
July 03 The Hidden Ocean World Most of Us Will Never See
Most of us will never visit the deep ocean, yet it covers the majority of our planet and supports life in ways we're only beginning to understand. In this episode, Andrew Lewin wraps up the Surfacing Secrets series with Ocean Networks Canada by exploring why the deep sea remains one of Earth's greatest frontiers. You'll discover how scientists are uncovering hidden ecosystems that could reshape our understanding of the ocean.

Andrew is joined by Monica Peltz of Ocean Networks Canada and Heidi Gartner from Fisheries and Oceans Canada to discuss what it takes to study places thousands of meters below the surface. They share how cutting-edge technology, education, and collaboration are making deep-sea science more accessible than ever before. Their work is helping students, researchers, and the public experience discoveries that were impossible just a generation ago.

The conversation also explores why deep-sea exploration matters far beyond scientific curiosity. Understanding these hidden ecosystems helps inform conservation decisions, strengthens ocean stewardship, and reminds us how much of our planet is still waiting to be explored. By bringing these unseen worlds to light, we can make better choices about protecting the ocean for future generations.

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
51 min
July 02 What We Don't Know About the Ocean Could Cost Us Everything
How do you protect something you barely understand? In this episode, we explore why ocean exploration is much more than discovering strange creatures or mapping the seafloor. Every marine protected area, conservation plan, and fisheries decision begins with one essential ingredient: knowledge.

You'll discover how scientists collect the information that guides conservation, from mapping underwater canyons to identifying coral gardens and sponge reefs that most people will never see. We also look at what happens when important ecosystems are damaged before we even know they exist, and why exploration gives decision makers the evidence they need to protect the right places.

This episode is the final part of our deep-sea exploration series leading into tomorrow's special interview with experts from Fisheries and Oceans Canada and Ocean Networks Canada. If you've ever wondered why ocean science matters to your everyday life, this conversation will show you why understanding the ocean is the first step toward protecting it.

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

7 min
July 01 How Do Scientists Explore a Place Humans Can't Survive?
The deep ocean is one of the most extreme places on Earth. Crushing pressure, freezing temperatures, and total darkness make it impossible for humans to explore for long, yet scientists continue to make incredible discoveries thousands of meters below the surface. So how do they do it?

In this episode, you'll discover the remarkable technology that makes deep sea exploration possible. From remotely operated vehicles and autonomous underwater robots to multibeam sonar, artificial intelligence, and environmental DNA, these tools are transforming how we study one of the least explored parts of our planet. You'll also learn why mapping the ocean often leads to discoveries scientists never expected to find.

This episode is part three of our four-part series leading up to Friday's interview with experts from Ocean Networks Canada and Fisheries and Oceans Canada. By the end, you'll understand why technology is helping scientists ask bigger questions, make new discoveries, and build the knowledge needed to better protect Canada's deep ocean and the rest of our blue planet.

Map the Gaps: https://www.mapthegaps.org/

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

13 min

About How To Protect The Ocean

From the publisher's feed

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 rising sea levels, the relentless march of warming ocean temperatures, and the ominous shadow of ocean acidification, have not only altered the very fabric of our coastlines but have also conjured fiercer storms and summoned floods with growing frequency. The fossil fuel industry may whisper in your ear that the situation is insurmountable, an inescapable fate. However, this podcast is here to unveil a different narrative, one that empowers you to take action. It illuminates the path to change by casting your vote for leaders committed to implementing climate-rescuing policies and by offering invaluable insights into how each of us can shrink our individual carbon footprint.

The grim reality of overfishing casts a long shadow, fueled by governmental shortcomings in the stewardship of both commercial and recreational fisheries. Within the delicate balance of our oceans, every fish population possesses a threshold - a point at which the relentless harvest of fishermen begins to erode their numbers. The management of these aquatic resources is a formidable task, as the elusive currents of the sea often defy easy tracking. Furthermore, the menace of illegal, unregulated, and unreported (IUU) fishing looms large in many nations, adding to the crisis.

Yet, a glimmer of hope shines through the depths. A beacon for responsible consumption emerges in the form of seafood programs, guiding conscientious individuals toward choices that safeguard our oceans. By heeding these programs, you not only savor the delights of sustainable seafood but also become an informed guardian of marine ecosystems.

The relentless scourge of plastic pollution has unleashed an epidemic of death upon the denizens of our oceans. It's a ruthless killer, claiming the lives of hundreds of thousands of marine mammals, majestic sharks, grandiose fish, gentle sea turtles, and the graceful sea birds that soar above. The malevolence of this crisis knows no bounds, with microplastics infiltrating even the remotest depths of the ocean and etching their presence along every coastline.

To mount a defense against this ecological cataclysm, the clarion call for action echoes on the international and national stages. It beckons governments far and wide to adopt resolute policies, wielding the power to outlaw the menace of single-use plastics and demanding the meticulous detoxification of our supply chains. In this grand battle to safeguard our seas, the fight against plastic pollution knows no borders.

The ominous specter of water pollution looms large, a consequence of our thoughtless disposal into the arteries of our planet – our streams, rivers, lakes, and oceans. This callous act reverberates, sending shockwaves through the intricate ecosystems of our coastal havens, where the likes of coral reefs, resilient mangroves, and swaying seagrasses thrive. But alas, this intrusion is not benign; it bears the capacity to corrode and dismantle these vital sanctuaries, the very lifeblood of countless fish and the steadfast guardians of our vulnerable shorelines.

Yet, amidst the unsettling tide of pollution, there emerges a ray of hope. Through individual resolve and visionary government policies harnessed with cutting-edge technology, we can stem this toxic deluge. Water treatment systems stand as stalwart guardians, armed with the ability to sift out the insidious nutrients that fuel destructive algal blooms. The power to heal our waters and preserve the sanctity of our coastal treasures lies within our grasp.

Coastal development, driven by human desires to construct homes or fortify the shoreline against erosion, represents a significant intervention in the natural order. Yet, these changes, while initially confined to the coastal zone, often send ripple effects that extend far beyond their original boundaries, casting a shadow of unintended consequences.

The repercussions of altering coastlines resonate through interconnected ecosystems, occasionally triggering a cascade of events that can inflict profound harm on distant areas. In doing so, this well-intentioned transformation can unwittingly imperil the lives and livelihoods of communities residing in the wake of its impact. It is a stark reminder that our actions along the coast carry a profound responsibility, not just to the immediate environment but to the greater web of life and society that depends upon it.