Microplastics = Macro Problems?

From the sands of Hawaii to the snow in the Alps, tiny pieces of plastic are showing up everywhere. Here's how to reduce your exposure.

microplastics
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As the name suggests, microplastics are tiny pieces of plastic waste, which can be found almost anywhere. They’re less than five millimeters long (about a quarter of an inch), and they can even be smaller than the width of a human hair. Nanoplastics, another category, are even smaller particles...