DePaulia: Theres something in the air in Chicago. No, its not the warm weather, the outdoor restaurants or the great starts that both baseball teams have so far. Its air pollution, and its impacting cities throughout the United States and the rest of the world.
According to the American Lung Associations (ALA) 2016 State of the Air Report, 52.1 percent of people in the United States live in counties that have unhealthy levels of either ozone or particulate pollution.
Primary sources (of air pollution),...