Here’s a no-brainer: the quality of the air we breath is very important to our health. Which is why we should worry about how many European cities are still battling dangerous levels of air pollution, mainly from traffic. So until everyone drives around in electric or hydrogen powered vehicles, science is looking for alternative ways to clean the air. Now, what if people who don’t drive could do the job, simply by walking around? Well, researchers in the UK think they can make clothes that clean the air. Here’s my report from Sheffield for Spectrum on Deutsche Welle Radio: