Most of us wear synthetic fabrics like polyester everyday. Our dress shirts, yoga pants, fleeces, and even underwear are all increasingly made of synthetic materials—plastic, in fact.
But these fabrics have a big hidden problem: when they’re washed, they release trillions of tiny plastic bits—called microfibers—that flow down our drains, through our water treatment plants, and out into our rivers, lakes and oceans. In fact, microplastic microfibers released while washing clothes in washing machines are the biggest source of microplastics in the environment!
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