The biggest likely source of microplastics in California coastal waters? Our car tires

Driving is not just an air pollution and climate change problem. Turns out, rubber particles from car tires might be the largest contributor of microplastics in California coastal waters, according to the most comprehensive study to date.

from California https://www.latimes.com/environment/story/2019-10-02/california-microplastics-ocean-study
via IFTTT