Guardian: The great smog of 1952 swathed London in a toxic smog of pollution, resulting in thousands of deaths over a four-day period. The Clean Air Act was a groundbreaking piece of legislation that led to the phase-out of coal in Britains towns and cities.
Sheila Romain, 88, West Sussex
Coming home from school one day I caught the bus from Crystal Palace to Dulwich. When we got to Gypsy Hill the bus driver said he couldnt see well enough to go on. I got off knowing I could walk home. When the driver...