One of the Biggest Sources of Microplastics Will Make You Mad as Hell

One of the Biggest Sources of Microplastics Will Make You Mad as Hell

Microplastics are so pervasive that they're now found in our bloodstreams, bones, and — according to one alarming study — even our brains in enough quantities to make a plastic spoon. But where do they all come from? One of the biggest sources may surprise you: car tires. Or maybe it isn't that surprising, now that we've brought it up. Yet, the role of civilization's addiction to the automobile tends to go overlooked in these discussions in favo…