About Impact Storytelling Podcast (Ocean and Water Conservation Stories)
Impact Storytelling is a podcast hosted by documentary filmmaker and NGO director Sabine M. Probst.
Each episode features engaging conversations with experts across diverse fields, including nature conservation filmmaking, photography, arts, science, and environmental organizations. Sharing diverse ways to communicate for nature conservation.
Ocean Literacy & Environmental Communication with 7 Seas Collective
This episode's guest is Jessy Shelton, environmental scientist, SCUBA instructor, science communicator, and founder of 7 Seas Collective — a community-driven initiative working to connect people with the ocean through citizen science, education, and conservation.Growing up near the coast, Jessy spent years watching beaches change with the seasons, but also witnessing something else: many people who loved the ocean had no idea about the challenges it was facing. Through conversations with divers, fishers, boat captains, students, and beachgoers, she realised that one of the biggest barriers to conservation wasn’t a lack of science — it was a lack of connection.That idea eventually became 7 Seas Collective, an organisation that invites everyday people to become part of marine science through beach surveys, ocean monitoring projects, community events, and hands-on conservation. Their goal is simple but powerful: make science accessible, help people understand their local coastlines, and show that anyone can contribute to protecting our oceans.https://www.7seascollective.org/
5 Sept 2026
Cracking the Mystery of Why Some Turtle Eggs Never Hatch
This episode's guest is someone whose story begins on islands surrounded by the ocean and has led her all the way to the laboratory benches of the UK. Alessia Lavigne was born and raised in the Seychelles, where sea turtles and giant tortoises aren’t just wildlife—they’re part of the landscape, culture, and identity of the islands.Now a PhD student at the University of Sheffield, Alessia is tackling a deceptively simple question: Why do so many turtle and tortoise eggs never hatch?For endangered species, every hatchling matters. But when nests fail, conservationists often don’t know whether the eggs were never fertilized in the first place, or whether tiny embryos began developing and died before hatching. That distinction turns out to be incredibly important—and surprisingly difficult to measure.Alessia’s research is helping change that. By adapting microscopic techniques originally developed for bird eggs, she’s uncovering what’s really happening inside unhatched turtle and tortoise eggs. Her work spans species from hawksbill and green sea turtles in the Seychelles to giant tortoises, and could help conservationists make better decisions about protecting threatened populations in a warming world.Her first major paper and film on this work has already received recognition. At its heart, though, this research is about understanding why the next generation sometimes never gets the chance to begin—and what we can do about it.
More about Alessias research:Watch Torti: https://youtu.be/VDWANVt6plw?si=l6GAT5KyL_wp13cPThe Study: https://zslpublications.onlinelibrary.wiley.com/doi/10.1111/acv.12986Newest Publication: https://onlinelibrary.wiley.com/doi/full/10.1002/ece3.73862Article: https://www.discoverwildlife.com/animal-facts/reptiles/aldabra-giant-tortoise-hatching-success
9 Aug 2026
From Surfer to Ocean Conservation Filmmaker
This episode's guest is environmental documentary filmmaker Luisa Thiel. She discovered her passion for ocean conservation through surfing. Spending countless hours in the water inspired her to volunteer with an environmental NGO, where she helped communicate stories about the ocean before deciding to tell one of her own.
That journey led her to create her first documentary, exploring ocean pollution in Norway and the people working to tackle it—from scientists and local communities to policymakers and activists. Much of the film was shot by Luisa herself as a one-woman crew, while she also navigated the challenges of funding, filmmaking, and building a career in a competitive industry.
Today, we'll talk about the power of environmental storytelling, the realities of independent documentary filmmaking, and how one person's passion for the ocean became a catalyst for change.
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