This seems like needless injection of your pet issue into an only tangentially related subject. Cars are used for a huge fraction of the transportation in the world. It would be surprising if the oceans weren't full of tire dust and so on. (inb4 anyone construes this as an endorsement of the status quo wrt micro-plastics)
The fact that the commercial fishing industry manages to dump 1/4 of the tonnage of plastic into the ocean despite only a fraction of the human man hours dedicated to its operation and a fraction of the rolling/floating stock is pretty impressive. You'd think they were just throwing nets overboard.
The fact that the commercial fishing industry manages to dump 1/4 of the tonnage of plastic into the ocean despite only a fraction of the human man hours dedicated to its operation and a fraction of the rolling/floating stock is pretty impressive. You'd think they were just throwing nets overboard.