10 Things to Know About: Season 5, Episode 4

5 - 4: Air

The World Health Organisation describes Air Pollution as the world's single biggest environmental health risk and the right to fresh air is something none of us can take for granted. Poor air quality kills more than 1500 people in Ireland every year and has a serious impact on our environment and ecology. In this episode we ask just what are the dangers in a gulp of air, and meet the scientists who are looking to tackle the issue head on…