Disneyworld also has very clean streets. I wouldn't hold it up as a model of sustainability, though. I don't mean to dig at our German friends, only to make t

Disneyworld also has very clean streets. I wouldn't hold it up as a model of sustainability, though. I don't mean to dig at our German friends, only to make the point that pollution is much more than what we can see, as civilians, just walking and driving around.