Oceanography

Naming ocean life is the first step toward protecting it. In a live conversation with his former professor, host Clark Marchese asks marine biologist Dr. Manuel Caballero Gutiérrez how many species live in the sea and why the answer remains uncertain. The episode follows marine taxonomy through deep-sea expeditions, DNA analysis, museum collections, and formal species descriptions, connecting species discovery with marine biodiversity, extinction risk, and conservation.

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Episode Guests: Dr. Manuel Callebar Gutierrez
Browse Dr. Callabar Gutierrez's publications on Research Gate

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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 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
Listen to Deep Sea Pod

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Where does climate change stand as 2026 unfolds? This Green Frequency crossover steps back from the ocean to assess the wider climate system. Climate scientist Dr. Claudio Piani and student activist Averie Gannon examine global emissions, the Paris Agreement, renewable energy progress, and why every fraction of a degree still matters. It is a grounded climate change 2026 briefing on what is improving, where the gaps remain, and why climate action is still consequential.

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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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Hosted by Clark Marchese and Averie Gannon
Audio Editing by Clark Marchese, Video Editing by Oscar Padula
Videography and Set Design by Le Studio Du Passage

Cover Art by Laurel Wong
Theme music by Nela Ruiz

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Elephant seals collect data where ships rarely can. In this South Pole crossover, Dr. Clive McMahon explains how animal-borne sensors turn deep-diving southern elephant seals into partners in Southern Ocean monitoring. The tags collect temperature, salinity, depth, and ocean productivity data, especially during the Antarctic winter. The episode also explores seal behavior, population decline, Antarctic Bottom Water, climate monitoring, and how hard-to-reach observations improve oceanography and weather forecasting

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
Visit Dr. McMahon’s publications on Google Scholar

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.
Theme music by Nela Ruiz
Find some more Pine Forest Media podcasts below

Listen to Oceanography on Spotify or Apple Podcasts
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Solar geoengineering is also a question of power. Hassaan Sipra of the Alliance for Just Deliberation on Solar Geoengineering explains the governance and climate justice issues surrounding solar radiation modification. The conversation centers Global South and climate-vulnerable communities, meaningful participation, consent, research transparency, and the absence of robust international rules. It also makes clear that climate intervention cannot replace emissions cuts, adaptation, finance, or loss and damage.

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Episode Guests: Hassasn Sipra
Learn more about justice and SRM on the DSG website.
Listen to Pine Forest Media’s NEWEST PODCAST GREEN FREQUENCY
Episode Transcript and more information on the Pine Forest Media website
Follow Pine Forest Media on Instagram @pineforestmedia
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 Plastic Podcast on Spotify or Apple Podcasts
Listen to South Pole on Spotify or Apple Podcasts
Listen to Something in the Water on Spotify or Apple Podcasts
Hosted on Acast. See acast.com/privacy for more information.