5 ways people’s lives change when cities clean up their air

"99% of people all over the world are breathing unhealthy air, according to the World Health Organization. So bringing that pollution level down will significantly reduce the 8 million deaths per year that happen prematurely because of pollution, and will really improve people's quality of life, reducing strokes, asthma attacks and cancer cases," says Jane Burston, CEO and Founder, Clean Air Fund.