When it rains heavily, plastic waste is washed off our streets into rivers, flowing out to the ocean. Most plastic is trapped in estuaries and coastal ecosystems, with a small fraction ending up offshore in the high seas.
In the coastal ocean, waves and tides break down plastic waste into smaller and smaller bits. These micro and nanoplastics linger in the environment indefinitely, impacting the health of marine creatures from microorganisms all the way up to seabirds and whales, which mistake them for food.
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