Oceanography | Marine Science and Ocean Stories

How Ocean Science Sails the Seven Seas

Not every ocean story gets heard. Ocean science and conservation work happens around the world, but research does not automatically reach the public, policymakers, or eve

From Collapse to Comeback: How Sustainable Fisheries Are Built

Not long ago, the race to catch fish was pushing some U.S. fisheries toward collapse. Fishing seasons became shorter, boats went out in dangerous conditions, and fisherme

Sky Truth: From Satellite Data to Ocean Action

 Satellites can reveal what is happening at sea. SkyTruth founder John Amos explains how seeing previously hidden oil slicks from space changed the course of his career,

How Many Species Are There in the Sea? Marine Taxonomy Explained

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

Hadal Zone Master Class with Professor Alan

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

Climate Change in 2026: Where Are We Now?

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. Claudi

Elephant Seals Can Be Scientists Too

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 s

Solar Geoengineering: Who Gets to Decide?

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

A Natural Experiment in the Sky: Shipping, Clouds, and Climate

Cleaner ship fuel created a climate experiment. Meteorologist Dr. Michael Diamond explains how shipping emissions influence cloud formation above the ocean and how the IM

Stratospheric Aerosol Injection: Should We Reflect More Sunlight?

Reflecting sunlight would also change the ocean. Dr. Kelsey Roberts explores stratospheric aerosol injection through ocean and marine ecosystem models. The conversation e

Marine Cloud Brightening: Can Brighter Clouds Cool the Planet?

Brighter marine clouds could cool parts of the ocean. Climate scientist Dr. Jessica Wan explains marine cloud brightening, a proposed solar geoengineering method that wou

mCDR: Can the Ocean Store Our Carbon for Centuries?

Can the ocean keep carbon out of the atmosphere? Oceanographer Dr. Morgan Raven explains marine carbon dioxide removal and the search for environments that can store orga

Biocultural Coastal Conservation | Ancestral Tides

Ocean conservation can begin with ancestral relationships. Conservation scientist Juan Carlos Cruz explains how the Ancestral Tides initiative supports biocultural conser

Ocean Trenches Explained

Every ocean trench is a world shaped by geology. Professor Alan Jamieson guides a journey into the hadal zone, beginning around 6,000 meters below the surface. Learn how

What is the Deep Sea Even Like?

The deep sea is not one dark, featureless place. Deep-sea researcher Dr. Thom Linley maps the ocean below sunlight as a connected world of depth zones with changing press

What is Ocean Deoxygenation?

The ocean is losing oxygen, with effects across food webs. Dr. Sven Pallacks explains ocean deoxygenation, how oxygen enters and moves through seawater, and why oxygen mi

Ocean Story Hour: Making Marine Biodiversity Visible

Ocean science only matters if people can connect with it. Science communicator Anabelle Chaumun explains why marine biodiversity is difficult to make visible, why misinfo

Science Toward Solutions: 20 Years of Ocean Microplastics

Microplastics research has reshaped the questions. Dr. Winnie Courtene-Jones reviews what ocean microplastics science now shows about sources, movement, accumulation, and

Marine Heat Waves and Japanese Meteorology

A marine heat wave can make the land even hotter. Japan Meteorological Agency scientist Hirotaka Sato explains how the 2023 marine heat wave near northern Japan amplified

Before the Oil Spill: Baseline Ocean Data and Marine Microbes

Oil-spill science starts long before a disaster. Marine microbial oceanographer Dr. Alice Ortmann explains why baseline ocean data are essential for detecting change arou