We put billions into education systems designed to make our kids smarter. And at the same time, we expose them to diesel exhaust that makes then stupid. Not smart, not smart at all.
There are few things in my everyday life that frustrate me more than cycling behind an old rickety van that is blowing black fumes into my face. I tried those face masks that filter pollutants as you breathe, but on a hot day, the sweat and discomfort is unbearable, and I must say, the mask makes me look rather like an unpopular supervillain.