The "London Fog" that killed over ten thousand people

Londoners will tell you that London is not actually that foggy. The famous London fog was actually the result of pollution. That's unpleasant, but for a few days in 1952, it turned into something more: The Great Smog. By the time the cloud that choked out the sun lifted, twelve thousand people were dead. » 10/26/12 4:00pm 10/26/12 4:00pm