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marine debris

A black, tar-covered glass bottle lies on a beach.
Posted inNews

Plastic Debris Helps Oil Residues Reach Farther Across the Ocean

by Grace van Deelen 20 January 202620 January 2026

Scientists matched oil residues found in Florida to a Brazilian spill thousands of miles away.

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.

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A view of a bridge, with the New Orleans skyline visible in the distance between the bridge and the water. A purple tint, a teal curved line representing a river, and the text “#AGU25 coverage from Eos” overlie the photo.

Features from AGU Publications

Research Spotlights

Denitrification Looks Different in Rivers Versus Streams

16 January 202616 January 2026
Editors' Highlights

Kyanite Exsolution Reveals Ultra-Deep Subduction of Continents

23 January 202622 January 2026
Editors' Vox

Bridging the Gap: Transforming Reliable Climate Data into Climate Policy

16 January 202616 January 2026
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