Douglas Dockery
cmonforton | November 2, 2012I was eight years old on the first Earth Day, April 22, 1970. "Give a hoot, don't pollute!" was the slogan for us kids. When we'd see a newscast with factory stacks spewing thick gray smoke we'd say "yuck." We'd hold our noses when tailpipes of junker cars belched exhaust. In our minds, air pollution was a bad thing because of what we could see and smell. We sure didn't think about it as something that was cutting short people's lives.
One of the first prospective U.S. studies to demonstrate an association between air pollutants and premature mortality was published in the New England…