CBS News: Air Pollution Takes a Deadly Toll

By Brian Mastroianni

The numbers are sobering -- more than 5.5 million people die prematurely each year as the result of household and outdoor air pollution, according to new research presented Friday at the 2016 annual meeting of the American Association for the Advancement of Science (AAAS).

What areas are most at risk? The study found more than half of these deaths occur in China and India, two of the world's fastest-growing economies.