Getting to grips with air pollution

Air pollution is usually regarded solely as an environmental issue, but the toll it takes on public health has only recently begun to hit the headlines. Darren Dodd discusses the benefits of tackling the problem with the FT’s science editor Clive Cookson, the WHO's Maria Neira, and Laurie Laybourn-Langton, of the UK health alliance on climate change. Music by David Sappa