Danna Thompson, director of advocacy at the American Lung Association, on North Carolina's air quality grades on Earth Day

Danna Thompson, director of advocacy for the American Lung Association in North Carolina, joins Lisa Price to discuss the 27th annual "State of the Air" report released on Earth Day, which grades air quality in counties and metro areas across North Carolina and ranks the most polluted and cleanest cities in the country. Thompson also explains why children face unique risks from air pollution and what steps North Carolinians can take to protect their health.