At any given moment about half the world’s population is wearing blue jeans or other denim clothing. And every time we launder our jeans, tiny string-like particles called microfibers come loose, flow out of our washing machines, down sewers and into lakes and oceans.
Now researchers at the University of Toronto say they have found denim microfibers in sediment taken from the Great Lakes.
Great Lakes Now
https://www.greatlakesnow.org/2020/09/researchers-denim-microfibers-great-lakes/