A report by the American Lung Association finds that air pollution has fallen to its lowest levels since the group began collecting data in 2000.

The nonprofit organization credits the Clean Air Act for the trend toward tougher environmental standards for airborne smog and soot and the cleanup of major air pollution sources, such as coal-fired power plants and the fleet of older, dirtier SUVs, pick-up trucks, vans, and diesel engines.

(READ the story in the CS Monitor)

The nonprofit organization credits the Clean Air Act for the trend toward tougher environmental standards for airborne smog and soot and the cleanup of major air pollution sources, such as coal-fired power plants and the fleet of older, dirtier SUVs, pick-up trucks, vans, and diesel engines.

(READ the story in the CS Monitor)