It’s worse than getting a scratchy throat. Breathing greenhouse gases and airborne particulate matter can make you seriously ill. These pollutants damage children’s developing lungs and cause asthma in children and adults alike. And that’s not all, as this diagram shows. Outdoor air pollution is among the topmost killers of the world in terms of shortening people’s life span, and it is estimated that it causes around 3 million deaths worldwide each year,” said air quality expert Rashid Shaikh. But solutions are available: Low-sulfur fuels and diesel particulate filters can drastically cut harmful pollutants — and save lives.