The Healthy Seas Podcast – Détails, épisodes et analyse

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The Healthy Seas Podcast

Crystal DiMiceli

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Fréquence : 1 épisode/46j. Total Éps: 36

Join us as we dive into the depths to explore the challenges and solutions shaping the future of our seas. Hosted by Crystal DiMiceli, each episode features conversations with the people making waves in marine protection: divers, scientists, educators, business partners, and local communities.

Healthy Seas is a unique alliance of NGOs and businesses working together to tackle marine litter, especially ghost fishing gear, and transform waste into opportunity through circular economy solutions. Active across 20+ countries, we operate with a global mission and a local heartbeat.

Through cleanups, education, innovation, and partnerships, we’re restoring the ocean and inspiring action—one net at a time.

Backed by over a decade of impact and part of the UN Ocean Decade movement, this podcast invites listeners and companies alike to dive into a world where environmental restoration meets meaningful collaboration.

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Données mises à jour le 17/10/2026

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https://www.healthyseas.org/
39 partages
https://www.healthyseas.org/donate/
3 partages
https://slowfactory.earth/open-edu
2 partages

https://www.instagram.com/healthyseas
1 partage
https://www.instagram.com/ghostdivingusa
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https://www.instagram.com/notpla
1 partage

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🌊 Before You Cut the Net: Bringing Science into Ghost Net Removal

Épisode 35

jeudi 15 octobre 2026 • Durée 29:16

What happens when lost fishing gear remains underwater for years? 🕸️ In the latest episode of The Healthy Seas Podcast, we explore how science can help divers make informed decisions about the most responsible way to remove ghost nets.

🎙️ Join Isadora Abuter, Marine Research Coordinator at Healthy Seas Foundation, and Erik Wurz, Ph.D., Coordinator of the Finnish Scientific Diving Academy at the University of Helsinki, as they discuss why understanding the condition of lost fishing gear is essential before intervening.

Because responsible ghost net removal is about more than bringing nets to the surface — it’s about understanding the underwater environment and making science-based decisions to protect it. 💙

#HealthySeas #HealthySeasPodcast #GhostNets #MarineScience #GhostDiving #OceanConservation

If you enjoyed this episode, please be sure to subscribe, rate and review it! This helps to boost its visibility.

Healthy Seas is a marine conservation organization whose mission is to tackle the ghost fishing phenomenon and turn this waste into an opportunity for a more circular economy. They do this through clean-ups, prevention, education, and working with partners who recycle and repurpose this material. The podcast is hosted by Crystal DiMiceli.

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🌿 Posidonia oceanica: The Queen of the Mediterranean

Épisode 34

mardi 15 septembre 2026 • Durée 30:56

Often mistaken for seaweed, Posidonia oceanica is a flowering marine plant and one of the Mediterranean’s most valuable ecosystems.

Its meadows can host up to 1,000 species, protect coastlines, support fisheries and store carbon accumulated over centuries. But Posidonia grows only a few centimetres each year, meaning damage can take centuries to recover.

In this episode, marine scientist Dr Dimitris Poursanidis takes us beneath the surface to explore the importance of Posidonia, the threats facing its meadows, and how scientists monitor them using satellites, sonar, drones, eDNA and underwater observations.

We also discuss ghost nets, abandoned aquaculture materials, microplastics and carbon storage — and why removing marine litter can help give these slow-growing ecosystems a chance to recover.

🎧 Listen now and discover the Queen of the Mediterranean.

#HealthySeas #PosidoniaOceanica #Mediterranean #MarineConservation #MarineScience #GhostGear

If you enjoyed this episode, please be sure to subscribe, rate and review it! This helps to boost its visibility.

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From Employees to Ocean Ambassadors: Volunteering That Creates Real Impact

Épisode 33

jeudi 20 août 2026 • Durée 12:33

How employees become ambassadors for ocean conservation

What happens when employees are given the knowledge, freedom and support to champion a cause they genuinely care about?

In this episode of the Healthy Seas Podcast, DWS employees and Healthy Seas Ambassadors Luxshmy Harikantha and Leon Vosse share what employee volunteering looks like in practice. Through the longstanding collaboration between DWS and Healthy Seas, ambassadors receive training, educational resources and ongoing support to bring topics such as marine litter, ocean protection and individual action into schools, community activities and events within their company.

Their experiences show that a meaningful employee engagement programme can extend far beyond a single volunteering day. Ambassadors can shape activities around their own interests and local opportunities, collaborate with colleagues and external organisations, and build relationships with students and communities over time.

For Luxshmy and Leon, this work also provides something different from their everyday professional roles: a chance to act on their personal convictions, learn more deeply about ocean conservation and see the immediate response of the people they meet. They describe children leaving activities eager to share what they have learned and sometimes changing their behaviour, and the behavior of their families, almost immediately.

The episode also explores what makes corporate volunteering feel genuine rather than symbolic. Time, flexibility and organisational support all matter, but so do trust and creative freedom. Employees need space to contribute their own ideas, take responsibility and adapt activities to the people and places around them.

For companies considering an employee volunteering programme, the DWS Ambassador initiative offers a concrete example of what is possible when a business and a nonprofit organisation build something together over several years. Healthy Seas brings expertise from marine conservation, education and field projects, while employees become multipliers who carry that knowledge into new settings.

The result can benefit everyone involved: communities gain access to engaging ocean education, employees find connection and purpose beyond their day-to-day work, and companies create opportunities for colleagues to come together around meaningful action.

Bivalves: The Tiny Engineers of Clean Waters

Épisode 32

dimanche 19 juillet 2026 • Durée 38:39

🦪 Oysters, mussels, clams, scallops, and cockles do much more than you might think.

In the latest Healthy Seas Podcast episode, we explore the fascinating world of bivalves and their vital role in keeping our seas healthy.

Joining us is Dr. Katie Collins, molluscan palaeobiologist and curator at the Natural History Museum in London, who explains how these remarkable animals filter water, recycle nutrients, create habitats for marine life, and even help scientists understand ancient oceans through their fossil record.

Small animals, big impact.

🎧 Listen to the full episode and discover why protecting and restoring these living filters is essential for healthier seas.

If you enjoyed this episode, please be sure to subscribe, rate and review it! This helps to boost its visibility.

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Circular Economy Starts in the Classroom

Épisode 31

lundi 22 juin 2026 • Durée 28:00

How Eco-Schools Slovenia, AquafilSLO, and Healthy Seas are helping students turn sustainability into action

Circular economy can seem like an abstract concept, but in the classroom it becomes tangible through creativity, problem-solving, and hands-on learning.

In the latest Healthy Seas Podcast episode, Lucija Marovt, Project Director of Eco-Schools Slovenia, discusses how students learn about circular economy by rethinking products, exploring sustainable design, and viewing waste as a valuable resource rather than a problem.

The episode also highlights the long-standing partnership between Eco-Schools Slovenia, AquafilSLO, and Healthy Seas, which has brought workshops, teacher training, and educational projects on circular economy, marine litter, and sustainable consumption to schools across Slovenia.

Through practical activities and real-world examples, students develop not only knowledge but also the confidence to take action. By connecting sustainability with design, innovation, and ocean protection, these programmes help young people understand how everyday choices affect the environment and how they can contribute to positive change.

Listen to the full episode to discover how Eco-Schools Slovenia, AquafilSLO, and Healthy Seas are inspiring the next generation to turn sustainability into action.

If you enjoyed this episode, please be sure to subscribe, rate and review it! This helps to boost its visibility.

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What is plankton, why is it important, and how does it shape our climate and future?

Épisode 30

lundi 18 mai 2026 • Durée 30:43

Before forests, before animals, before humans there was plankton.

In this episode of the Healthy Seas Podcast, we speak with ocean advocate and author Vincent Doumeizel, whose upcoming book The Power of Plankton explores one of the most overlooked yet fundamental components of life on our planet.

Plankton is often described as the “invisible” part of the ocean. But as Vincent reminds us, it is not just part of the story of life, it is the story.

A planet shaped by the smallest forms of life

Plankton is not a single organism, but a vast and diverse community of life forms ranging from microscopic algae and bacteria to larvae and even some animals like jellyfish that drift with ocean currents.

For over 3.5 billion years, plankton dominated life on Earth. In that time, it fundamentally transformed the planet. It was plankton that first developed photosynthesis, releasing oxygen into the atmosphere. It was plankton that created the carbon cycle, the water cycle, and the conditions that made complex life possible. Quite simply, without plankton, there would be no breathable air, no stable climate, and no ecosystems as we know them.

The invisible engine of biodiversity

When we think about ocean conservation, we often focus on what we can see: coral reefs, marine animals, seagrass meadows. But all of these systems depend on plankton.

As Vincent explains, plankton sits at the base of the entire marine food web. It regulates nutrients, supports fish populations, and drives the biological processes that sustain biodiversity across the ocean and, by extension, across the planet.

This is where the connection to the Healthy Seas Foundation becomes clear. While our work focuses on removing marine litter, ghost nets, and other debris from the ocean, the ultimate goal is to protect the ecosystems that lie beneath. And those ecosystems depend on something far smaller and less visible: the balance of plankton communities. If we think of ocean conservation as restoring a house, plankton is the foundation. And without a stable foundation, nothing above it can stand.

Ghost Farms Don’t Appear Overnight

Épisode 29

mercredi 29 avril 2026 • Durée 15:19

🌊 Ghost Farms Don’t Appear Overnight

They don’t start as pollution—they start as decisions. 🛠️

In this episode, we explore how abandoned fish farms become marine litter—and why the real issue begins long before cleanup. From governance gaps to ESG, it’s a story about responsibility across the full lifecycle of aquaculture. ♻️

🎧 Listen to learn:
• When a “ghost farm” really begins
• Why planning and decommissioning matter
• How better decisions today can prevent pollution tomorrow

#OceanConservation #Aquaculture #ESG #MarinePollution #Podcast

If you enjoyed this episode, please be sure to subscribe, rate and review it! This helps to boost its visibility.

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Sea Cucumbers: The Ocean’s Unsung Recyclers

Épisode 28

mercredi 25 mars 2026 • Durée 36:26

When we think about cleaning the ocean, we often imagine divers removing ghost nets or volunteers collecting plastic from the shore. But beneath the surface, nature has its own recycling systems.

In this episode of our Ocean’s Natural Cleaning Crew series, we turn to one of the most overlooked and most underestimated marine animals: the sea cucumber.

Joining us is Prof Annie Mercier, Department of Ocean Sciences, Memorial University (Canada), who has spent decades studying these remarkable creatures and co-edited the comprehensive scientific volume The World of Sea Cucumbers.

The “earthworms” of the ocean

Sea cucumbers play a vital but often overlooked role in marine ecosystems. Like earthworms on land, they process seabed sediments, recycle nutrients, and help keep ocean floors oxygenated. On coral reefs, they may even support coral health by reducing harmful bacteria.

Despite their simple appearance, sea cucumbers are incredibly diverse, ranging from tiny species to over a meter long, and living in environments from shallow reefs to deep-sea trenches. Their biology is equally remarkable — some can regenerate organs, split in two, and live for decades, making them valuable for scientific research on aging and regeneration.

However, rising global demand has led to overfishing, putting many populations at risk. Losing them doesn’t just remove a species — it disrupts essential ecological processes that keep marine ecosystems balanced.

Sea cucumbers may not be iconic ocean animals, but they are quiet engineers of resilience — and far more important than we often realize.

🎧 Listen to the full episode to discover why these humble creatures matter so much.

Further links to the topic:

IUCN SSC Sea Cucumber specialist Group:

Sponges: The Quiet Animals That Clean the Ocean

Épisode 27

mercredi 25 février 2026 • Durée 33:03

In this episode of our “Ocean’s Natural Cleaning Crew” series, marine scientist Erik Wurz reveals how sponges filter water, recycle nutrients, and quietly sustain marine life

Most of us think of ocean protection in terms of visible action: removing nets, collecting waste, monitoring habitats. But beneath the surface, nature has its own clean-up teams: organisms that filter water, recycle nutrients, and make marine ecosystems possible.

In this episode of our series on marine life that helps keep the ocean clean, we meet one of its most overlooked workers: the sponge.

Marine biologist Erik Wurz (University of Helsinki) takes us into a world most people never notice: animals that can look like paper sheets, chimneys, or giant vases, quietly pumping water through their bodies day and night.

A football-sized sponge, he explains, could filter up to 30,000 liters of seawater per day, removing bacteria, particles, and dissolved matter and releasing ultra-clean water back into the ocean. But their role goes far beyond filtration.

By transforming microscopic organic material into edible particles, sponges effectively kick-start marine food webs, making energy available to fish, invertebrates, and entire ecosystems. Without them, many marine habitats would struggle to sustain life. In some parts of the deep sea, they even form vast “animal forests,” structures that provide shelter, breeding grounds, and feeding platforms for countless species.

And yet, despite their importance, sponges remain largely invisible in public imagination overshadowed by more charismatic marine animals. That’s something Erik hopes to change: “I hope this podcast helps make sponges cool.”

The conversation also explores how climate change, sediment disturbance, and bottom trawling can disrupt sponge ecosystems with long-term consequences for fisheries, ocean health, and even potential biomedical discoveries hidden within sponge microbiomes.

If Healthy Seas teams remove debris in marine habitats, sponges do something incredibly remarkable too — continuously and silently — by filtering, recycling, and sustaining the ocean from within.

When Nature Has a Number on the Balance Sheet

Épisode 26

mardi 9 décembre 2025 • Durée 47:16

When Nature Has a Number on the Balance Sheet

How the financial world is starting to recognize the value of ecosystems services

In this episode of the Healthy Seas Podcast, we sit down with Dr. Ralph Chami — financial economist, former Assistant Director at the International Monetary Fund, and Co-Founder of Blue Green Future — to explore one of the most powerful shifts underway: integrating the value of nature’s services into economic and financial systems.

From whales and seagrass to elephants and bison, Ralph’s work centers around measuring the economic contributions of living ecosystems and designing financial tools that recognize their role in climate regulation, biodiversity support, and human wellbeing. The goal? To accelerate funding for restoration and protection by making nature visible on the balance sheet.

A Whale, a Shift, a New Vision

The conversation begins with a deeply personal story: a moment in the Sea of Cortez that transformed Ralph’s life and career. From that encounter with a blue whale came a new path, one that brought together climate science, conservation, and high-level economics. Since then, Ralph has helped governments and organizations understand how to value nature’s services — not to commodify ecosystems, but to make the case for investing in their preservation and restoration.

In the episode, you’ll hear about:

Why whales can be worth millions over their lifetime through carbon storage
How forward contracts are being used to fund environmental restoration
What makes a nature-based project “investable”
Why markets are slow to respond — and what could unlock faster change
The role of communities in managing and benefiting from ecosystem services
The risks of leaving nature outside the financial system, and how to avoid them

When Oceans Meet Economics

For companies, investors, and governments trying to build credible climate and biodiversity strategies, this episode offers a new lens. As Ralph puts it, valuing nature’s services isn’t about replacing conservation with markets — it’s about finally recognizing the systems we depend on, and funding their protection before it’s too late.

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