For the past 13 years the American Lung Association releases a new State of the Air Report annually sharing their test results of air pollution across the United States.
You can find the list of the Most Polluted Cities in the United States 2012:
Awesome in Web
This moms video makes you cry
The video, directed by Alejandro González Iñárritu, features mothers on four continents in London, Rio de Janeiro, Los Angeles and Beijing. These inspirational women raising
Schei, MD
Apr 23, 2012
