Join us and meet some of the many amazing people who are doing exciting work to save the ocean for future generations, with a focus on restoration, ecology, and the environment. A production of REEF Scuba - reef-scuba.org. Co-production and editing by Emily Pokou.
REEF Roundup: 🪸Coral Reefs🐠 and 🐙Marine Conservation🦈
Claim This Podcastby Graham Patterson and Tamara Silverstone
5.0(28 reviews)
48 episodes
Updated Weekly
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Podcast Overview
Join us and meet some of the many amazing people who are doing exciting work to save the ocean for future generations, with a focus on restoration, ecology, and the environment. A production of REEF Scuba - reef-scuba.org. Co-production and editing by Emily Pokou.
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Publishing Since
2/20/2021
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Recent Episodes
May 20, 2026
Briony Venn: Stop Krilling Antarctica + Bonus Update with Captain Paul Watson | S5E7
<p>In this episode, we sit down with Briony Venn, the Marine Campaign Organizer at the Bob Brown Foundation in Tasmania, Australia. Over 500,000 tonnes of Antarctic krill are harvested every year to make products that even the industry's biggest player has begun replacing with a plant-based version. Briony is working to end it.</p><p>Krill, Euphausia superba, is the keystone species of the Southern Ocean. Whales, penguins, seals, and seabirds all depend on it. Yet krill biomass has declined by up to seventy percent in the last fifty years due to climate change, and the fishery is being expanded against that collapsing baseline. Briony unpacks the industry's misleading "less than one percent" claim, the role of certification bodies like the Marine Stewardship Council, and the campaign strategies her coalition is using to fight back.</p><p>Before joining the Bob Brown Foundation, Briony left a career at Accenture to move into marine campaigning, first at Greenpeace UK and now in Tasmania. Her story is a reminder that anyone who cares about the ocean and decides to dedicate themselves to its protection can figure out a path to do so.</p><p>This episode also includes a bonus conversation with Captain Paul Watson, who walks us through Operation Krill Wars, the Captain Paul Watson Foundation's and Sea Shepherd France's recent direct intervention against industrial krill trawlers in the Southern Ocean. He also highlights the European Parliament's subsequent motion for a five-year moratorium on the krill fishery.</p><p><br></p><p><a href="https://www.patreon.com/cw/ReefRoundupPodcast" target="_blank" rel="noopener noreferer">Support the Show </a></p><p><br></p><p>Mentioned in This Episode:</p><p>Briony Venn on <a href="https://au.linkedin.com/in/briony-venn-3a5824109" target="_blank" rel="ugc noopener noreferrer">LinkedIn</a></p><p>Bob Brown Foundation: <a href="https://bobbrown.org.au/" target="_blank" rel="ugc noopener noreferrer">bobbrown.org.au</a></p><p>SwisseKrills Campaign: <a href="https://swissekrills.org" target="_blank" rel="ugc noopener noreferrer">swissekrills.org</a></p><p>Captain Paul Watson Foundation: <a href="https://www.paulwatsonfoundation.org/" target="_blank" rel="ugc noopener noreferrer">paulwatsonfoundation.org</a></p><p>Sea Shepherd: <a href="https://www.seashepherd.org/" target="_blank" rel="ugc noopener noreferrer">seashepherd.org</a></p><p>Greenpeace: <a href="https://www.greenpeace.org/" target="_blank" rel="ugc noopener noreferrer">greenpeace.org</a></p><p>Blue Marine Foundation: <a href="https://www.bluemarinefoundation.com/" target="_blank" rel="ugc noopener noreferrer">bluemarinefoundation.com</a></p><p>Aker BioMarine: <a href="https://www.akerbiomarine.com/" target="_blank" rel="ugc noopener noreferrer">akerbiomarine.com</a></p><p>Swisse: <a href="https://swisse.com.au/" target="_blank" rel="ugc noopener noreferrer">swisse.com.au</a></p><p>National Geographic: <a href="https://www.nationalgeographic.com/" target="_blank" rel="ugc noopener noreferrer">nationalgeographic.com</a></p><p>WWF (World Wildlife Fund): <a href="https://www.worldwildlife.org/" target="_blank" rel="ugc noopener noreferrer">worldwildlife.org</a></p><p>CCAMLR (Commission for the Conservation of Antarctic Marine Living Resources): <a href="https://www.ccamlr.org/" target="_blank" rel="ugc noopener noreferrer">ccamlr.org</a></p><p>Marine Stewardship Council: <a href="https://www.msc.org/" target="_blank" rel="ugc noopener noreferrer">msc.org</a></p><p>Moral Ambition by Rutger Bregman</p><p>How to Speak Whale by Tom Mustill</p><p><a href="https://silverbackfilms.tv/shows/oceanwithdavidattenborough/" target="_blank" rel="ugc noopener noreferrer">Definitely check out the documentary, Ocean </a>with David Attenborough</p><p>If you want to support the podcast or learn what more you can do to help save the ocean, visit <a href="https://www.reef-scuba.org/take-action" target="_blank" rel="ugc noopener noreferrer">reef-scuba.org/take-action</a>.</p><p>Thanks as always to our Producer, <a href="https://www.linkedin.com/in/emilypokou/" target="_blank" rel="ugc noopener noreferrer">Emily Pokou</a>.</p><p>A production of <a href="https://www.reef-scuba.org/" target="_blank" rel="ugc noopener noreferrer">REEF Scuba</a>.</p>
April 29, 2026
Dr. Andrea Grottoli: Like Moths to a Flame, the Underwater Lights Saving Coral and the Mechanics of UZELA | S5E6
<p>In this episode, we sit down with Doctor Andrea Grottoli, a Distinguished Professor of Earth Sciences at the Ohio State University and the inventor of the Underwater Zooplankton Enhancement Light Array (UZELA). Doctor Grottoli has spent thirty years studying coral feeding mechanics and the physiological collapse that occurs during bleaching events. Building on that knowledge, she is now rolling out an invention, designed to drastically improve outcomes and return on investment for global coral restoration efforts.</p><p>UZELA relies on a simple biological truth: zooplankton are drawn to light like moths to a flame. By strategically placing upward-facing lights near coral outplants and nurseries for just one hour a night, UZELA concentrates zooplankton within a localized dome, significantly increasing the feeding opportunities for stressed and baby corals. We explore why these measures are necessary, the biological data proving their efficacy, and science behind it all.</p><p>Some topics we cover:</p><ul><li><p><strong>The Physiology of Coral Starvation:</strong> We all know a bleaching reef is a bad sign, but what's actually happening to an individual coral? </p></li><li><p><strong>The UZELA Breakthrough:</strong> How localized light increases feeding rates and what that means for stressed coral.</p></li><li><p><strong>Ecological Realities and Technological Limits:</strong> Why artificial light at night requires precise, nuanced deployment and why UZELA buys us time, but is one intervention among many that must support reefs facing local stressors and climate change.</p></li></ul><p>Mentioned in This Episode:</p><p>Dr. Andrea Grottoli on <a href="https://www.linkedin.com/in/andrea-grottoli/" target="_blank" rel="noopener noreferer">Linkedin</a>Grottoli Lab: <a href="http://u.osu.edu/grottoli.1/" target="_blank" rel="noopener">u.osu.edu/grottoli.1/</a>Coral Restoration Foundation: <a href="https://coralrestoration.org/" target="_blank" rel="noopener">coralrestoration.org</a>Mote Marine Laboratory: <a href="https://mote.org/" target="_blank" rel="noopener">mote.org</a>The Ohio State University School of Earth Sciences: <a href="https://earthsciences.osu.edu/" target="_blank" rel="noopener">earthsciences.osu.edu</a></p><p><br></p><p>Thanks as always to our Producer, <a href="https://www.linkedin.com/in/emilypokou/" target="_blank" rel="noopener noreferer">Emily Pokou</a>.</p><p>A production of <a href="https://www.reef-scuba.org/" target="_blank" rel="noopener noreferer">REEF Scuba</a></p>
April 15, 2026
Dr. Sambuddha Misra: Drinking Tea to Save Coral Reefs? The Mechanics of Enhanced Rock Weathering in Darjeeling | S5E5
<p>In this episode, we sit down with Dr. Sambuddha Misra, a chemical oceanographer, associate professor of earth sciences at the Indian Institute of Science, and the chief scientist at Alt Carbon. Dr. Misra has spent two decades studying how chemical weathering shapes the planet's climate over millions of years, and is now actively applying that science to draw down atmospheric carbon at scale.</p><p>Alt Carbon's Darjeeling Revival Project is spreading finely crushed basalt, a byproduct of the Indian construction industry, across tens of thousands of acres of Himalayan tea estates. We explore the surprisingly elegant chain of geochemistry that removes CO2 from the air, supplies crucial micronutrients to degraded agricultural soils, and ultimately pushes alkalinity into the Bay of Bengal to buffer against ocean acidification.</p><p><strong>Some topics we cover:</strong></p><ul><li><p><strong>The Geochemistry of Accelerated Weathering:</strong> The literal mechanics of how crushed basalt, rainwater, and atmospheric CO2 interact to compress a million-year geological process into a single commercial cycle.</p></li><li><p><strong>Agricultural Yields and the Human Element:</strong> Why the physical application of basalt is done entirely by hand, and how this process is driving incredible crop yield increases in degraded soils.</p></li><li><p><strong>Measurement Bottlenecks and the Reality of Scaling:</strong> The grueling structural reality of verifying commercial carbon credits. Dr. Misra breaks down the exact science of tracking elements in open soil profiles, and why scaling this project will require inventing entirely new measurement technologies.</p></li></ul><p><strong> Mentioned in This Episode:</strong></p><ul><li><p>Alt Carbon: <a href="https://altcarbon.com/">altcarbon.com</a></p><ul><li>The Darjeeling Revival Project: <a href="https://altcarbon.com/projects/darjeeling-revival-project">altcarbon.com</a></li></ul></li></ul><ul><li><p>Isometric Registry: <a href="https://isometric.com/">isometric.com</a></p><p>Indian Institute of Science: <a href="https://iisc.ac.in/">https://iisc.ac.in/</a></p><ul><br></ul></li></ul><p>Thanks as always to our Producer, <a href="https://www.linkedin.com/in/emilypokou/" target="_blank" rel="noopener noreferer">Emily Pokou</a>. </p><p><br></p>
48 total episodes available
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Frequently asked questions
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- What is REEF Roundup: 🪸Coral Reefs🐠 and 🐙Marine Conservation🦈?
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This podcast updates weekly.
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