Guardian: No one doubts that the Saharan dust in the smog affecting parts of the UK is to blame for the layer of grime now sitting on cars but experts agree that the more dangerous element for people's health is the increasingly noxious pollution belching out of our vehicles and industrial plants.
Air pollution from vehicles, factories and homes is now so bad, regularly, in Britain that when it is exacerbated by a storm in the Sahara 2,500 miles away, or by high pressure over northern Europe, it can leave...