Episode Description: Whales whisper, volcanoes rumble, and fish sing at sunset. In this episode of Oceanography, host Clark Marchese explores the science of underwater sound with marine biologist and bioacoustics researcher Dr. Jesús Alcázar-Treviño. You'll learn how toothed whales use echolocation to hunt in the deep sea, how volcanic eruptions reshape marine soundscapes, and why some whales may be mistaking plastic for prey. We also dive into the impacts of human-made noise—like shipping and seismic testing—on marine ecosystems. With fascinating stories from the Canary Islands and deep-sea research insights, this episode is your gateway into the hidden world of ocean acoustics and marine conservation.

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Episode Guest: Dr. Jesús Alcázar Treviño

Learn more about Dr. Jesús Alcázar Treviño here

Follow  Dr. Jesús Alcázar Treviño on Blue Sky

Find more of  Dr. Jesús Alcázar Treviño’s work on Research Gate

Explore more from the Spanish Institute of Oceanography 

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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New tech is making waves in marine science. In this debut episode of Oceanography, we dive into the world of innovative fishing gear designed to protect endangered species—especially the North Atlantic right whale. Guest Megan Amico, a fisheries biologist with NOAA, shares how scientists and fishermen are working together to reduce harmful bycatch through smart design, including on-demand lobster traps and turtle excluder devices. It’s a story of unlikely partnerships, inventive problem-solving, and measurable success. If you care about marine life, sustainable fisheries, or just love a good science story, this is one you won’t want to miss. Learn how collaboration is helping coastal communities thrive while giving ocean wildlife a fighting chance.

Episode Guest: Megan Amico

Learn more about Megan Amico here

NOAA Protected Species Gear Research: Visit Here

NOAA’s Endangered Species List and Action Plans: Browse List

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

Listen to South Pole on Spotify or Apple Podcasts

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Oceanography is a marine science podcast about the research happening beneath the surface—literally. It’s where your favorite science 101 class meets environmental journalism, with weekly conversations featuring marine biologists, oceanographers, and climate scientists from around the world. One week we might explore whale communication or how sound travels underwater; the next, we’re looking at fishing gear designed to protect endangered species. You'll also hear about ocean conservation, deep sea ecosystems, microplastic pollution, and the surprising ways marine life is connected to life on land. If you're curious about the ocean and want to hear from the people uncovering its secrets, you’re in the right place.

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Fish full of pharmaceuticals. Submarine groundwater discharge is quietly delivering human contaminants—like heavy metals, fertilizers, and even antidepressants—into our oceans. In this episode of Oceanography, marine geochemist Dr. Tristan McKenzie explains how these hidden pathways are impacting coastal ecosystems around the world. Drawing from fieldwork in Hawaii and Sweden, he breaks down the science behind groundwater pollution, shares the results of a global contamination risk map, and discusses the surprising ways contaminants disrupt both marine life and biogeochemical cycles. You’ll also learn why some of the world’s most biodiverse coasts are at highest risk—and how you can help. This is a deep dive into ocean contamination, climate interactions, and the data behind it all. 

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Episode Guest: Dr. Tristan McKenzie

Learn more about Dr. Tristan McKenzie on his website here and the University of Gothenberg

Follow Dr. Tristan McKenzie on Blue Sky

Find more of Dr. Tristan McKenzie’s work on Google Scholar

How Gutting the EPA's Research Team Could Impact Clean Air and Water Rules by the Scientific American

EPA likely to move to further limit federal protections for wetlands by AP News

Fish off the coast of Florida test positive for pharmaceutical drugs, says study by CNN

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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How deep sea worms eat without a mouth is just one of the astonishing discoveries in this episode with microbial symbiosis expert Dr. Shana Goffredi. We dive into the strange and beautiful world of methane seeps and hydrothermal vents, where animals form life-saving partnerships with chemo synthesizing bacteria. From feather duster worms powered by natural gas to mixotrophic anemones thriving in volcanic vents, learn how cooperation fuels entire deep sea ecosystems — and helps prevent methane from reaching our atmosphere. These microscopic alliances are transforming how we understand evolution, resilience, and oceanic carbon cycling.

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Episode Guest: Dr. Shana Goffredi

Learn more about Dr. Goffredi at Occidental College

Visit the Symbioxys Lab’s website

Follow the lab on Instagram

Find more of Dr. Goffredi’s work on Google Scholar

Read the discussed article on Feather Dusters

Read the discussed article on Deep Sea Anenome

Here’s a third on ‘Marine Vampires

Find more of Dr. Goffredi’s science outreach on Science Friday

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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Glowing sharks & blue beaches spark curiosity— journey with marine ecophysiologist Dr. Laurent Duchâtelet into the luminous world of ocean bioluminescence. Discover how lantern sharks, dragonfish, plankton and more deploy living light for hunting, hiding and flirting; why wavelengths shift from blue to green to rare red; and how decoding luciferin–luciferase chemistry is powering pollution sensors and cancer diagnostics. Guided by deep-sea ROV footage and decades of lab work, this conversation illuminates 90 independent evolutions of glow, the sport-utility of bio-light, and the urgent need to fund fundamental ocean science before these wonders wink out. If you’ve ever dreamed of swimming through spark-lit surf or marveled at fireflies, this episode reveals the science behind the magic—and what we still don’t know.

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Episode Guest: Dr. Laurent DuChatelet

Learn more about Dr. Laurent DuChatelet at UCLouvain

Read Dr. DuChatelet’s article on Marine Bioluminescence.

Find more of  Dr. DuChatelet’s publications on Research Gate.

Blue Glowing Beaches Around the World 

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

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Why the UN declared an Ocean Decade - 

The United Nations Ocean Decade of Ocean Science for Sustainable Development (2021–2030) is more than a global framework—it’s a chance to rethink how science informs action. In this episode, Alison Clausen, Deputy Global Coordinator of the Ocean Decade at UNESCO’s Intergovernmental Oceanographic Commission, explains what the Decade is aiming to achieve by 2030 and how its legacy will carry forward. We discuss the role of Indigenous and local knowledge, the meaning of “success” beyond the ten-year mark, and how upcoming international ocean conferences fit into the bigger picture. Whether you’re just hearing about the Ocean Decade for the first time or looking for context behind the headlines, this conversation offers a clear and timely introduction.

Episode Guest: Alison Clausen

Ocean Decade Website Here

10 Ocean Decade Challenges

Ocean Decade Actions

GenOcean to get involved in the Ocean Decade

Nice Ocean Conference Outcome Document here

Follow the UN Ocean Decade on Instagram @unoceandecade and LinkedIn here

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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Plastic straws and sea turtles collide in this episode featuring marine biologist Dr. Christine Figgener, whose viral 2015 video of a straw pulled from a turtle’s nose launched a global anti-plastic movement. We explore the long history of sea turtles, the modern threats they face from plastic pollution, and how science and activism can work together to drive change. From migration research to marine conservation, Dr. Figgener reflects on a decade of impact and the future of ocean health. Originally aired on Plastic Podcast, this episode is cross-posted on Oceanography due to the urgent overlap between ocean ecosystems and plastic waste.

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Episode Guest: Dr. Christine Figgener

Learn more about Dr. Christine Figgener on her website 

Follow Dr. Christine Figgener on Instagram @seaturtlebiologist

Order Dr. Christine Figgener’s book My Life with Sea Turtles 

Watch Dr. Christine Figgener’s video on YouTube

Find more of Dr. Christine Figgener’s work on Google Scholar

Learn more about sea turtle conservation at SEE Turtles

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Episode Transcript and more information on the Pine Forest Media website

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

Listen to South Pole on Spotify or Apple Podcasts

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Discover how Marine Protected Areas (MPAs) protect our oceans and why California is home to the largest connected network in the world. In this episode, we sit down with Jamie Blatter, climate specialist and tribal liaison at the California MPA Collaborative Network, to explore how MPAs are created, maintained, and measured for success. Learn about the science proving their impact, the importance of community and tribal partnerships, and the role of MPAs in addressing overfishing and climate change. From grassroots engagement to global conservation lessons, this conversation highlights how collaboration, equity, and identity shape the future of ocean stewardship—and why optimism comes from action.

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Episode Guest: Jamie Blatter

Learn more about the California Marine Protected Area Collaborative Network

Find 500 Queer Scientists Here

Further Reading on Queer Ecology

Episode Transcript  and more information on the Pine Forest Media website

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

Listen to Plastic Podcast on Spotify or Apple Podcasts

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Tiny ocean drifters are shaping Earth’s climate. Microzooplankton, some no larger than a grain of sand, are crucial players in the biological carbon pump — the system that moves carbon from the atmosphere into the deep sea for long-term storage. In this episode, PhD candidate Erin Jones explains how these single-celled organisms regulate climate, why their diversity matters, and what NASA’s EXORTS program is uncovering using satellites and DNA sequencing. From the invisible communities floating in seawater to the global carbon cycle, we explore how the ocean’s smallest creatures are connected to the planet’s biggest challenges. Discover why unlocking their secrets could reshape climate predictions — and why the future of carbon sequestration depends on them.

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Episode Guest: Erin Jones

Connect with Erin on LinkedIn

Learn more about the NASA EXPORTS Program

Episode Transcript  and more information on the Pine Forest Media website

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

Listen to Plastic Podcast on Spotify or Apple Podcasts

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Dive into Ghana’s coral future with Coral Reef Restoration Ghana, a nonprofit bringing new life to reefs and new opportunities to young scientists. Founder George Amadou and cinematographer David Selasi Kuwornu share how their groundbreaking Dive Lab—the first of its kind in Ghana—trains marine biology students to scuba dive, explore coral reefs, and capture stories through underwater film. We discuss the challenges of ocean access, cultural barriers around swimming, destructive fishing practices, and why media storytelling is essential for shifting mindsets toward conservation. This episode reveals how locally led initiatives can protect Ghana’s coral ecosystems while empowering the next generation of West African marine scientists and storytellers.

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Episode Guest: George Amadou and David Selasi Kuwornu

Learn more about Coral Reefstoration Ghana on their Instagram @coralreefsgh

Follow Coral Reefstoration Ghana on YouTube

Listen to the Wiser World Podcast https://wiserworld.com/

Episode Transcript  and more information on the Pine Forest Media website

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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How do you tell the difference between sound science and pseudoscience? In this special feed drop from All Around Science, we explore the red flags that signal when claims aren’t backed by real evidence — and how to think critically about the information we encounter every day.

At Pine Forest Media, our mission is to make science more accessible, reliable, and engaging. That doesn’t just mean sharing discoveries from the ocean or Antarctica — it also means equipping listeners with the tools to recognize when science is being misrepresented. This episode is a valuable resource for anyone who cares about scientific literacy, public trust, and separating fact from fiction.

Listen in for a practical, thoughtful conversation that will leave you better prepared to spot pseudoscience in the wild.

Stream the All Around Science on Spotify or Apple Podcasts

Find the All Around Science website here

More information on the Pine Forest Media website

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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Antarctic fish with antifreeze blood are revealing critical clues about evolution and climate change. In this special crossover episode from South Pole, marine biologist Dr. Jilda Alicia Caccavo from the Institut Pierre Simon Laplace joins us to explore pelagic notothenioids — fish uniquely adapted to the icy waters of the Southern Ocean. Learn how their antifreeze proteins, colorless blood, and genomic traits help them survive extreme conditions, and why their future is under threat as ocean temperatures rise. Dr. Caccavo explains how genomics offers powerful insights into species vulnerability and resilience in a changing climate. If you're fascinated by cold-water biology, marine adaptation, or the impact of climate change on ocean life, this episode is for you.

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Episode Guest: Dr. Jilda Caccavo

Learn more about Dr. Jilda Caccavo on her website 

Find more of Dr. Jilda Caccavo’s work on Google Scholar

Listen to South Pole on Spotify or Apple Podcasts

Episode Transcript and more information on the Pine Forest Media website

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

Listen to Plastic Podcast on Spotify or Apple Podcasts

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Making marine biodiversity visible for everyone Marine biodiversity is vast, complex—and mostly out of sight. In this “ocean story hour” episode, a Paris-based science communicator, Anabelle Chaumun, shares how to translate marine research into stories people can actually feel and remember. We explore why misinformation spreads faster than evidence, why ocean issues can feel distant, and how storytelling (and images) can make the invisible ocean world tangible. Anabelle also introduces EMBRC (the European Marine Biological Resource Centre) and how its network of marine stations supports research that improves food safety, sustainable aquaculture, and ecosystem understanding across Europe. Along the way, we dig into solutions-oriented communication, ethics, representation, and documentary photography as a tool to amplify communities often missing from environmental narratives.

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Special thanks to the Monterey Bay Aquarium for sponsoring this episode.

Episode Guests: Anabelle Chaumun

Connect with Anabelle Chaumun on LinkedIn

Visit the European Marine Biological Resource Center (EMBRC) website

Communications: for science and society, Ministère de l'Enseignement Supérieur, de la Recherche et de l'Espace by Anabelle Chaumun

Artists residencies as part of the TREC expedition

EMBRC's latest annual report 2024

EMBRC's website

A few examples of applications of EMBRC research:

Portugal: Preventing a deadly dinner: How EMBRC Portugal’s marine research is keeping dinners safe

Greece: Innovative disease control strategies in marine aquaculture

EMBRC Political Recommendations

Episode Transcript and more information on the Pine Forest Media website

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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What have we learned about microplastics over the last 20 years? This episode surveys two decades of ocean microplastics science: where microplastics come from (fibers, tires, fragmentation, microbeads), where they’re found (shorelines, water column, sea ice, deep sea), and what research shows about impacts across food webs and ecosystems. It also unpacks major gaps—nanoplastics, fragmentation rates, and the thousands of chemicals used in plastics—plus why scientists argue for a precautionary approach even as human-health research evolves. Finally, learn how microplastics are measured at sea (manta trawls, spectroscopy) and why contamination control matters. The episode connects the science to policy, including the UN Plastics Treaty debates over production cuts vs waste management.

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Special thanks to the Monterey Bay Aquarium for sponsoring this episode.

Episode Guests: Dr. Winnie Courtene-Jones

Follow Dr. Courtene Jones on Blue Sky

Find the article 20 Years of Microplastic Research: What have we learned?

Connect with the Scientists’ Coalition for an Effective Plastics Treaty on LinkedIn

Review Dr Courtene-Jones’ publications on Google Scholar

Explore artwork by Benjamin Von Wong

Listen to Plastic Podcast on Spotify or Apple Podcasts

Plastic Podcast: The Truth about Biodegradable Plastics

Plastic Podcast: Busan and Beyond - A UN Treaty on Plastics 

Episode Transcript and more information on the Pine Forest Media website

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

Find some more Pine Forest Media podcasts below

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Turn seawater into a species map. In this episode of Oceanography, host Clark Marchese talks with OceanOmics director Dr. Michael Bunce about how eDNA (environmental DNA), DNA barcoding, and genomics reveal what’s living in the ocean—from microbes to megafauna—using just a few liters of water. We follow the journey from deck to lab, then into powerful, human-friendly AI dashboards that translate massive datasets into decisions about fisheries, marine protected areas, water quality, and climate resilience. We also explore citizen science with easy eDNA kits and how these data help detect invasive species and track ecosystem health over time. If you’re curious how OceanOmics is transforming biodiversity monitoring into actionable ocean intelligence, this conversation is your field guide.

Episode Guest. Dr. Michael Bunce

Find all Dr. Bunce’s publications on Google Scholar

Learn more on the OceanOmics webpage and explore the OceanOmics Dashboard

Discover the work of the Minderoo Foundation on their website and on Instagram

Listen to the other PFM interview with a team of Minderoo scientists on the impacts of plastic on human health 

Episode Transcript and more information on the Pine Forest Media website

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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Listen to South Pole on Spotify or Apple Podcasts

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Antarctica’s Hidden Carbon Vault — Beneath the icy surface of the Southern Ocean lies a powerful ally in the fight against climate change: Antarctic blue carbon. In this episode of Oceanography, host Clark Marchese speaks with marine ecologist Dr. Narissa Bax about how deep-sea coral gardens, sponge fields, and seafloor ecosystems around Antarctica are quietly locking away carbon for thousands of years. Together, they unpack what makes Antarctic blue carbon different from coastal mangroves or seagrass, how climate change and global treaties shape its protection, and why these frozen carbon stores may hold a rare note of optimism for our warming world.

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Hosted, produced, and edited by Clark Marchese 

Find Dr. Narissa Bax website here. 

Read Dr Bax’s publication: The Growing Potential of Antarctic Blue Carbon

Find all Dr. Bax’s publications on Google Scholar

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Oceans at Climate Week: What We Learned in NYC — From hopeful storytelling to emerging ocean science, this special solo episode of Oceanography brings you inside New York Climate Week through the lens of the sea. Host Clark Marchese shares how oceans shaped this year’s conversations — from Indigenous leadership and NOAA’s challenges to groundbreaking coral restoration and marine carbon removal. Discover how artists, activists, and scientists are redefining ocean storytelling and why it matters for our planet’s future. Whether you’re passionate about climate action, marine conservation, or science communication, this episode connects the dots between oceans, policy, and people

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Hosted, produced, and edited by Clark Marchese 

Learn more about New York Climate Week 

Trump administration pushes ahead with NOAA climate and weather cuts - article from science.org

Immerse yourself in the the work of artist Benjamin Van Wong on his website or on Instagram

Listen to the Wiser World Podcast https://wiserworld.com/

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Theme music by Nela Ruiz

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What is the Ocean Twilight Zone? Explore the mesopelagic (200–1000 m) and why it’s central to climate, fisheries, and biodiversity. Ocean Conservancy’s Chris Dorsett explains daily vertical migrations, lanternfish and vampire squid, and the biological carbon pump that shuttles carbon to the deep. We unpack emerging pressures—industrial harvest for fishmeal/fish oil, deep-sea mining plumes, and marine carbon-removal trials—and how science-based policy can safeguard this ecosystem before impacts stack up. Clear, accessible ocean science plus practical context on precautionary management make this a go-to primer for anyone curious about how mid-water life supports whales, tunas, and the health of our seas.

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Episode Guest: Chris Dorsett

Learn more about Chris Dorsett and Ocean Conservency here

Read Motion 035

Follow the IUCN World Conference and find the full list of motions here 

Follow Ocean Conservancy on Instagram , Blue Sky, LinkedIn

Episode Transcript  and more information on the Pine Forest Media website

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

Find some more Pine Forest Media podcasts below:

Listen to South Pole on Spotify or Apple Podcasts

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Marine heat waves can make summer heat even worse. New climate research shows that unusually warm ocean conditions don’t just damage marine ecosystems — they can also intensify extreme heat on land. In this episode, Mr. Hirotaka Sato, a Japan Meteorological Agency climate scientist explains how marine heat waves form, why the ocean stores most of Earth’s excess heat, and how a 2023 marine heat wave near northern Japan amplified record-breaking temperatures onshore. Learn the mechanisms behind ocean–atmosphere heat transfer, reduced cloud cover, humidity feedbacks, and weakened sea-breeze cooling. The discussion connects sea surface temperature, climate feedback loops, and extreme weather risk — and explains why warming oceans matter for future heat waves, forecasting, and public safety.

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Special thanks to the Monterey Bay Aquarium for sponsoring this episode.

Episode Guests: Mr. Hirotaka Sato

Find the article we discussed, Impact of an unprecedented marine heatwave on extremely hot summer over Northern Japan in 2023.

Review Mr. Sato’s publications on Google Scholar

Visit the Japan Meterological Agency’s Website

JMA Annual Report on Extreme Cliamte Events

JMA Report on Climate Change in Japan 2025

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Hosted, produced, and edited by Clark Marchese 

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How oil research protects ocean health. Understanding oil spills, offshore drilling, and marine pollution starts before any accident happens. In this episode, marine microbial oceanographer Dr. Alice Ortmann explains how scientists collect baseline ocean data to measure ecosystem health in oil and gas regions offshore Newfoundland. The conversation covers what counts as an oil spill, how oil and methane move through the water column, why microbes are essential for breaking down hydrocarbons, and how baseline measurements help scientists assess impact, recovery, and long-term change. This episode explores environmental response science, ocean resilience, and how oil research informs regulation, preparedness, and protection of fisheries and marine ecosystems—without alarmism, and grounded in real data.

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Special thanks to the Monterey Bay Aquarium for sponsoring this episode.

Episode Guests: Dr. Alice Ortmann

Connect with Dr. Ortamnn on LinkedIn

Find Dr. Ortmann’s publications on Google Scholar

Visit the Marine Microbiome Forum

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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A legendary research ship’s final sail. For nearly 50 years, the R/V Endeavor served as a floating laboratory for ocean science—supporting 700+ expeditions, training generations of students, and enabling research from CTD/rosette water sampling to seafloor mapping, deep-sea coring, and long-term climate and ecosystem monitoring. In this episode, the ship’s operations manager Brendan Thornton and longtime captain Chris Arminetti take listeners behind the scenes of life aboard a UNOLS research vessel: the tight-knit 12-person crew, the evolution from “go dark at sea” to Zoom offshore, and what it felt like to retire a ship with a million+ miles in her wake. Plus: what comes next for the fleet and ocean stewardship.

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Special thanks to the Monterey Bay Aquarium for sponsoring this episode.

Episode Guests: Brendan Thorton and Chris Armanetti

Learn more about the R/V Endeavor Here: 

Meet the next chapter: the Narragansett Dawn

Discover the University of Rhode Island’s Oceanographic Research here

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Hosted, produced, and edited by Clark Marchese 

Cover art by Jomiro Eming

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COP30’s biggest fault lines, explained.

In this final installment of our COP30 arc, we zoom out from Belém to map the conference’s defining tensions: ambitious speeches versus stalled outcomes, science-led urgency versus market-led “solutions,” and the growing leadership of the Global South. We unpack why carbon markets remain so contested, what “net zero” really allows, and how China’s energy transition is reshaping the politics of global climate action. Then we go deep on the Tropical Forest Forever Facility (TFFF)—a headline proposal to pay nations to keep forests standing—through a clear-eyed climate justice critique from Carola Mejía of LATINDADD. We close with what COP30 did (and didn’t) deliver—and what to watch next.

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10 New Insights in Climate Science

Nation article

No mention of fossil fuels

1600 + fossil fuel lobbyists at COP 30

Indigenous Flotilla

Climate Home News Indigenous access to COP30

Climate Tracker Report

Episode Guest: Carola Mejía

Latindadd

TFFF: A False Solution

Asamblea Against the TFFF

Devex: TFFF Origin Story 

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The ocean took center stage at COP30. This episode of Oceanography explores how ocean science, policy, and lived experience shaped the climate conversations at COP30 in Belém, Brazil. From marine carbon dioxide removal and blue carbon ecosystem restoration to funding gaps and governance challenges, the episode traces how the ocean is increasingly framed as both a climate solution and a site of urgent risk. It also examines what COP30 delivered for the ocean, where progress was made, where ambition fell short, and why adaptation, finance, and follow-through remain unresolved. Grounded in reporting from the Ocean Pavilion and informed by broader analysis, this episode reflects on what it really means for oceans to rise on the global climate agenda.

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Hosted, produced, and edited by Clark Marchese 

10 New Insights in Climate Science for 2025 by Future Earth 

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Voices from Belém

COP30 brought global climate negotiations to Belém, a city where the Amazon meets the sea. This episode offers a grounded introduction to the conference by centering the people who live there. Activist Catarina Nefertari and artist and event producer Danilo Pontes share what the event meant for their communities, the environmental challenges facing Pará, and how local experiences shape the wider climate conversation. This is the first part of a three-episode COP30 series, providing essential context on the host city before turning to ocean science and international negotiation dynamics in the episodes ahead.

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Episode Guests: Catarina Nefertari and Danilo Pontes

Learn more about Amazônia de Pé, Our Kid’s Climate, and Laboratório da Cidade. 

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Dive into the ocean’s rainforests and how to save them. This episode explores the science and hope behind seaforestation—the restoration of underwater kelp forests that sustain marine life, capture carbon, and protect our coasts. Joined by Scott Bohachyk of OceanWise and James LaFlamme of the Tseshaht First Nation, Clark uncovers how innovative science and Indigenous stewardship are teaming up to revive ecosystems once lost to warming seas and urchin barrens. From growing “baby kelp” to rebalancing ocean food webs, this episode reveals how kelp could be a key climate ally. Discover what’s being done, what’s at stake, and why restoring these underwater rainforests might just help heal the planet.

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Special thanks to the Monterey Bay Aquarium for sponsoring this episode.

Episode Guests: Scott Bohachyk and James LaFlamme

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The cause of wasting disease, discovered by the Hakai Research Institue

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 Film sparks action: from screens to shorelines.

In this episode of Oceanography, host Clark Marchese talks with Julie Anderson, CEO and co-founder of Plastic Oceans International, about the Trees & Seas Film Festival and its “participatory film activism” model. We explore how curated films connect to on-the-ground efforts in global Blue Communities, turning awareness into cleanups, tree plantings, and policy conversations. Julie traces her path from witnessing a nurdle spill to building the SEE Positive Change film library, and we dig into timely themes—microplastics, ecotourism pressures, and how environmental stress can drive migration. Hear favorites like The Illusion of Abundance and House by the Sea, and learn how storytelling done locally and shared globally reframes who has the power to make change.

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Episode Guest. Julie Anderson

Find more about Plastic Oceans International and the Blue Communities here

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More on The Illusion of Abundance here

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Hosted, produced, and edited by Clark Marchese 

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Ocean oxygen shapes marine life in ways most of us never think about. This episode explores how oxygen enters the ocean (air–sea exchange and photosynthesis), how it circulates through surface waters and the deep sea, and why scientists track changes in oxygen over time. Learn what oxygen minimum zones are, how they form, and what they can mean for midwater ecosystems in the mesopelagic (“twilight”) zone.

Featuring research that uses fossil fish ear bones (otoliths) preserved in seafloor sediment, the conversation looks back thousands of years to reconstruct a past oxygen shift in the Mediterranean—and what long-term records can teach us about ocean dynamics today.

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Special thanks to the Monterey Bay Aquarium for sponsoring this episode.

Episode Guests: Dr. Sven Pallacks

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Read Dr. Pallacks’ article,  Ocean deoxygenation linked to ancient mesopelagic fish decline. 

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What is biocultural coastal conservation — and why does it matter for the future of our oceans? In this episode, conservation scientist Juan Carlos Cruz of the Amazon Conservation Team explains how Indigenous knowledge and Western marine science are being woven together through the Ancestral Tides initiative.

Across Costa Rica, Panama, Mexico, Colombia, and Suriname, coastal Indigenous and local communities are protecting sea turtles, coral reefs, mangroves, and critical nesting beaches using community-based conservation strategies. This work combines biological monitoring, sea turtle tagging, hatchery protection, GPS tracking, fisher partnerships, and livelihood-based conservation — all grounded in ancestral knowledge systems.

We explore:

• What biocultural conservation actually means

• Why sea turtles are biocultural keystone species

• How Indigenous-led conservation strengthens marine ecosystems

• The connection between coral reefs, fisheries, and food security

• How land and sea conservation must work together

Sea turtles migrate thousands of kilometers across oceans — linking forests, beaches, reefs, and coastal communities. Protecting them requires protecting the full ecological and cultural system they move through.

This conversation highlights a growing global shift: conservation that centers community leadership, respects traditional knowledge, and recognizes that protecting biodiversity also means protecting culture.

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Episode Guests: Juan Carlos Cruz

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Ocean trenches are Earth’s deepest habitats—and they’re full of life. This episode is a guided dive into the hadal zone (6,000–11,000 meters), where tectonic plates create steep trenches that plunge toward the mantle. Learn what trenches are geologically, what conditions are like at full ocean depth (cold, pressure, darkness), and why the deep sea isn’t a single ecosystem—each trench is its own world. You’ll also get myth-busting on how “the abyss” shows up in pop culture, plus an inside look at the technology that makes trench science possible: multibeam mapping, baited landers, and human-occupied submersibles. Finally, we explore the big research questions scientists are asking about biodiversity, evolution, and connectivity across the deepest ocean.

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Special thanks to the Monterey Bay Aquarium for sponsoring this episode.

Episode Guest: Professor Alan Jamieson

Listen to the Deep Sea Podcast!

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Visit the Hadal Zone Deep Sea Research Center and follow their work on Instagram

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Hosted, produced, and edited by Clark Marchese 

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What is the deep sea — really? Deep-sea researcher Dr. Thom Linley (Curator of Fishes at Te Papa Tongarewa, National Museum of New Zealand) breaks down the deep ocean as a connected world with distinct zones, ecosystems, and rules — not one mysterious “blob.” From the bathyal and abyssal to the hadal trenches, this conversation maps what’s down there, how life survives crushing pressure and perpetual darkness, and why the deep sea functions as the engine under the hood of the entire planet.

This episode explores:

• What counts as “deep sea” (and why the definition is changing)
• The major deep-sea zones and how they blend into each other
• Whale falls — the deep ocean’s sudden “feast events” and the strange life they power
• Why trenches can be food-rich funnels (and why that matters)
• How deep-sea animals adapt at the molecular level (cells, fats, enzymes)
• The technology that makes deep-sea science possible: landers, traps, cameras, and autonomous systems
• The reality of deep-sea pollution: plastic and “forever chemicals” showing up even at extreme depths
• Why museum collections are time capsules for future ocean science
• 
  

And this is part one of a deep dive: next episode continues into ocean trenches and the hadal zone with Prof. Alan Jamieson, co-host of The Deep Sea Podcast.

If you’re into thoughtful mythbusting, weird deep-ocean ecology, and the real logistics of studying a place humans can barely access — you’re in the right place.

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Special thanks to the Monterey Bay Aquarium for sponsoring this episode.

Episode Guests: Dr. Thomas Linley

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Hosted, produced, and edited by Clark Marchese 

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Can brighter clouds cool Earth? Marine cloud brightening (MCB) is a proposed solar radiation modification strategy that could reflect sunlight, cool ocean regions, and potentially reduce dangerous heat. But can it actually work at scale, and what risks might come with it? In this episode, climate scientist Dr. Jessica Wan explains how MCB works, why researchers are studying sea salt aerosols and marine stratocumulus clouds, and what climate models reveal about unintended effects on weather, heatwaves, rainfall, and global circulation. The conversation explores geoengineering, climate intervention, El Niño, regional cooling, governance, and the major uncertainties surrounding marine cloud brightening as a response to climate change.

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Episode Guests: Dr. Jessica Wan

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Find Dr. Wan’s articles on MCB in a warmer world and MCB and El Niño

Learn more about Justice and Governance about SRM Technologies at DSG

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Hosted, produced, and edited by Clark Marchese 

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We may need to remove carbon from the atmosphere—can the ocean help? Biomass-based marine carbon dioxide removal (mCDR) explores whether natural ocean processes can help store carbon for the long term. Oceanographer and biogeochemist Dr. Morgan Raven explains how organic carbon moves through marine systems, why low-oxygen environments like deep-sea brines and fjords may enable long-term carbon sequestration, and what scientists still need to understand before these approaches can scale. This episode explores marine carbon dioxide removal, carbon sequestration, blue carbon, and ocean biogeochemistry, while addressing uncertainty, environmental risk, and the role these strategies might play alongside emissions reduction. A clear, grounded look at one of the most complex and debated frontiers in climate science.

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Episode Guests: Dr. Morgan Raven

Review Dr. Raven’s publications on Google Scholar

Check out the work of the NOISE Lab

Listen to COP30: Oceans on the Rise? for more on mCDR 

10 New Insights in Climate Science for 2025 by Future Earth 

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Could reflecting sunlight help cool the Earth? Stratospheric aerosol injection, or SAI, is a proposed climate intervention that aims to reduce global temperatures by reflecting a small portion of incoming sunlight. Inspired by volcanic eruptions, this approach is being studied through climate and ecosystem models to better understand its potential effects. This episode explores how SAI could influence sea surface temperature, net primary production, ocean chemistry, and marine food webs. It also looks at how scientists use models to evaluate different deployment scenarios, including long-term use and phase-out strategies. Along the way, the conversation considers uncertainty, regional variability, and the role SAI might play within a broader portfolio of climate responses.

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Episode Guests: Dr. Kelsey Roberts

Find Dr Robert’s publication on the Potential Impacts of Climate Intervention on Marine Ecosystems

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Shipping pollution changed clouds. What can scientists learn? What happens when cleaner shipping fuel suddenly changes the atmosphere above the ocean? In this episode of Oceanography, meteorologist Dr. Michael Diamond explains how shipping pollution, cloud formation, and climate are connected, and how a major fuel regulation and disrupted global shipping routes created a rare natural experiment for scientists. The conversation explores aerosols, sulfur pollution, cloud brightening, and what these real-world changes can teach us about marine climate intervention, including marine cloud brightening and solar geoengineering. If you want to understand how human activity is already shaping clouds, warming, and climate policy, this episode offers a grounded, fascinating look at one of the most complex questions in climate science.

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Episode Guests: Dr. Michael Diamond

Find Dr. Diamond’s published article on the impacts of the IOM regulation and preprint on the impacts of a changed shipping route. 

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Hosted, produced, and edited by Clark Marchese 

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Solar geoengineering is a justice question. As sunlight reflection methods move from theory toward real-world research, who gets to decide what happens next? This episode explores the justice and governance questions surrounding solar geoengineering, also called solar radiation modification or SRM. Hassaan Sipra of the Alliance for Just Deliberation on Solar Geoengineering explains why the risks of climate intervention cannot be separated from existing inequalities in climate change, especially for climate-vulnerable communities in the Global South. The conversation covers environmental justice, public participation, free, prior and informed consent, governance gaps, research transparency, and why climate intervention must never replace emissions cuts, adaptation, climate finance, or loss and damage. A grounded, accessible finale to Oceanography’s marine climate intervention arc.

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Episode Guests: Hassasn Sipra

Learn more about justice and SRM on the DSG website. 

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Elephant seals are helping map the Southern Ocean. This week on Oceanography, we’re sharing a special crossover episode from South Pole, another Pine Forest Media series focused on Antarctic science and research. In this episode, Dr. Clive McMahon explains how southern elephant seals are being equipped with ocean sensors to collect real-time data in one of the most remote and extreme environments on Earth. These deep-diving animals gather information on temperature, salinity, depth, and ocean productivity; especially during the Antarctic winter, when human access is nearly impossible. The conversation explores elephant seal behavior, population decline, Antarctic bottom water, and how animal-borne data is advancing oceanography, climate science, and weather forecasting. A fascinating look at how marine life is contributing directly to scientific discovery.

If you enjoy this episode, you can find more from South Pole, a series dedicated to the science of Antarctica, on Spotify or Apple Podcasts, or all major platforms.

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Episode Guest: Dr. Clive McMahon

Review the research publication discussed in the episode here

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Visit the website of the Sydney Institute of Marine Sciences

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Hosted, produced, written, and edited by Clark Marchese 

Cover art and PFM logo by Laurel Wong. 

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Where does climate change stand in 2026? This week on Oceanography, we’re bringing you a special crossover from Green Frequency: a new Earth Radio show from Pine Forest Media exploring environmental science, policy, and the systems shaping our planet. In this episode, climate scientist Dr. Claudio Piani joins a conversation on where we actually stand today: global emissions trends, the future of the Paris Agreement, and why every fraction of a degree of warming still matters. Alongside student activist Averie Gannon, the discussion moves beyond headlines to offer a more grounded, nuanced understanding of climate change—what the data says, where progress is being made, and where major challenges remain. If you enjoy this episode, you can find more from Green Frequency, featuring scientists, advocates, and frontline perspectives, on all major podcast platforms.

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Episode Guest: Dr. Claudio Piani 

Special thanks to the American University of Paris

Our World In Data - CO2 emissions, temperature, and per capita trends.

The Scientific American - Global Average Temperature Targets

International Renewable Energy Agency - The Cost of Renewable Energy

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Audio Editing by Clark Marchese, Video Editing by Oscar Padula

Videography and Set Design by Le Studio Du Passage

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What happens at the deepest points of the ocean? This week on Oceanography, we’re sharing a special feed drop episode from Deep Sea Pod, hosted by Thomas Linley and Alan Jamieson — two scientists many of you may already recognize from previous Oceanography episodes like What Is the Deep Sea Even Like? and Ocean Trenches Explained.

In this episode, Professor Alan Jamieson takes listeners on a deep dive into the hadal zone: the deepest and most extreme region of the ocean, including the massive trenches that extend nearly 11 kilometers beneath the surface. The conversation explores how scientists study these remote environments, what kinds of organisms survive under immense pressure, the history of deep trench exploration, and why the hadal zone remains one of the last great frontiers in marine science.

If you enjoy the episode, be sure to check out Deep Sea Pod using the link in the episode description.

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Episode Guests: Alan Jamieson and Thomas Linley

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