As winter approaches we’ll be seeing fog blanketing the Delhi metro area. At one time London was renowned for its dense fog and as late as 1950s the toxic atmosphere killed thousands leading to the Clean Air Act. Chinese cities have the same problem but are also cleaning up. We, meanwhile, just moan about it and do nothing
Mystery of London fog that killed 12,000 finally sol...
Mystery of London fog that killed 12,000 finally sol...