Tiny flakes of plastic, generated by the wear and tear of normal driving, eventually accumulate in the soil, in rivers and lakes, and even in our food.
I was agreeing with your sentiment that rubber subway tires are still magnitudes better than cars, realistically, buses are probably less microplastics per person moved as well if the route has decent ridership.
I was agreeing with your sentiment that rubber subway tires are still magnitudes better than cars, realistically, buses are probably less microplastics per person moved as well if the route has decent ridership.