Every Breath You Take

Great Falls, Montana, is one of the U.S. cities on the list.

We hear so much about cities with foul air. Here, for a change, is a list of the 10 cities with the cleanest ~ and a couple, believe it or not, are actually in the United States!: http://www.care2.com/causes/10-cities-with-the-cleanest-air-in-the-world.html