I think we're all getting comfortable with the idea that humans are now regularly ingesting and breathing microplastic particulate matter, AND that we're not dying from the chemical accumulation of these particles.

But that doesn't negate what marine biologists are pointing out with more urgency: that at the smallest end of the food chain, these particulates are being mistaken as food, with consequences yet unknown.

More: https://www.nationalgeographic.com/magazine/2019/05/micropla...