Is Your Laundry Polluting the Ocean with Microfibers?

A month ago, a reader named Ida left the following comment in the “100 Steps” section of this website:

For your Clothes section you never mention that the plastic clothes we have release high levels of plastic microfibers in every wash! This is pretty new knowledge, but hugely important as we cannot as of today find a way to remove from the sea. So when asked, I usually tell people to stop buying fleece, acrylic etc, but also to handwash what they have, which at least might lessen the prob...