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marine debris

A satellite image shows the coast of the Los Angeles area in January 2025. A plume of smoke is seen over the Pacific Ocean.
Posted inFeatures

Scrambling to Study Smoke on the Water

by Grace van Deelen 26 August 202526 August 2025

Timely action shows the impact of urban fires on freshwater and marine ecosystems.

Small plastic fragments on sand and stones.
Posted inNews

Avalanches of Microplastics Carry Pollution into the Deep Sea

by Grace van Deelen 23 April 202523 April 2025

Scientists observed a once-theorized process ferrying microplastics into the deep ocean.

A submersible dredges sediment from the seafloor.
Posted inNews

Balancing the Deep Ocean Plastics Budget

by Bill Morris 1 May 20241 May 2024

Up to 11 million metric tons of plastic are sitting on the seafloor, mostly near coasts and shipping corridors.

Un pulpo rojo flota en agua con putos blancos
Posted inNews

Los microplásticos son el ingrediente no tan secreto de la nieve marina

by Molly Herring 7 February 20247 February 2024

Partículas diminutas de plástico degradadas y cubiertas por biopelículas se hunden hasta el fondo marino llevando consigo carbono.

Closeup photo of a piece of black plastic coated in yellowish ocean and coastal organisms
Posted inNews

In the Great Pacific Garbage Patch, New Marine Ecosystems Are Flourishing

by Tim Brinkhof and Knowable Magazine 23 January 202423 January 2024

Sea life, stuck to plastic bottles and other human trash, has journeyed far from coastal habitats—and may threaten local species

A red octopus floats within white speckled water.
Posted inNews

Microplastics Are the Not-So-Secret Ingredient in Marine Snow

by Molly Herring 20 December 20239 February 2024

Particles of tiny, degraded plastics coated with biofilms sink to the seafloor, carrying carbon with them.

A sail-shaped prototype of an ocean sensor floats in a pond
Posted inNews

Biodegradable Sensors Could Explore the Seas More Sustainably

by Lisa Aubry 26 October 202326 October 2023

Researchers are developing environmentally friendly instruments to monitor the oceans.

Plastic bottles and other pieces of trash float in blue water.
Posted inNews

A New Census of Plastic Debris Entering the Ocean

Katherine Kornei, Science Writer by Katherine Kornei 11 October 202311 October 2023

On the basis of thousands of measurements of plastic pollution spotted near coastlines and at sea, researchers estimate that roughly 500 million kilograms of plastic debris is entering the world’s oceans each year.

Photo of skyscrapers along a waterfront
Posted inNews

Even at the Bottom of the World, the Ocean Is Belching Plastic

by Bill Morris 17 January 202331 January 2023

Plastic fills the air above Auckland, New Zealand.

Deepwater Horizon oil spill in the Gulf of Mexico, 2010
Posted inNews

Ninety Percent of the World’s Oil Slicks Are Caused by Humans, Not Nature

by Katharine Gammon 19 August 202224 March 2023

Researchers were surprised to find exactly how many oil slicks were due to human activity, highlighting the need for people to pay attention to runoff and leaks.

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A view of a Washington, D.C., skyline from the Potomac River at night. The Lincoln Memorial (at left) and the Washington Monument (at right) are lit against a purple sky. Over the water of the Potomac appear the text “#AGU24 coverage from Eos.”

Features from AGU Publications

Research Spotlights

Machine Learning Simulates 1,000 Years of Climate

27 August 202527 August 2025
Editors' Highlights

As Simple as Possible: The Importance of Idealized Climate Models

28 August 202526 August 2025
Editors' Vox

Waterworks on Tree Stems: The Wonders of Stemflow

21 August 202520 August 2025
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