We all know we're exposed to pollution from exhausts on our way to work in the mornings - but just how bad is it? And is the air you're breathing more toxic if you're on a bike or in a car or bus? Scientists are setting out to find the answer to these questions and more.
We all know we're exposed to pollution from exhausts on our way to work in the mornings - but just how bad is it? And is the air you're breathing more toxic if you're on a bike or in a car or bus? Scientists are setting out to find the answer to these questions and more.
Read the full story »