# What is microfiber pollution?

> Microfiber pollution happens when clothes made with plastic shed tiny pieces of plastic called microfibers Microfibers are too small to be filtered out by wast

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Last updated: 2025-05-28T22:06:44.053Z

  
Microfiber pollution happens when clothes shed tiny pieces called microfibers. Microfibers are too small to be filtered out by waste treatment plants, so they end up in our waterways and oceans by the billions. Once in the ocean, they act as pollution magnets that marine animals mistake for food, which harms aquatic ecosystems, and can eventually end up in our food.