23/09/2026
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Full Article: https://phys.org/news/2026-09-rivers-microplastics-world-oceans-previously.html
Rivers may be carrying more microplastics into the world's oceans than previously thought
Microplastics are a modern environmental menace and a potential threat to human health. These tiny pieces of plastic, measuring from 1 to 5,000 micrometers, come mainly from larger plastics as well as sources such as paints and cosmetics. They are found in almost every corner of the planet, and a new study published in Science suggests rivers may be carrying far more of them into the ocean than previously thought.
Many microplastics make their way from land into rivers and ultimately, the oceans. Once there, they can disrupt coastal ecosystems and food webs and be ingested by marine animals.
Estimates of the amount of microplastics flowing from rivers to oceans have varied enormously over the years, ranging from 6,100 to 2.31 million metric tons annually.
Full Article: https://phys.org/news/2026-09-rivers-microplastics-world-oceans-previously.html