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The Great London Smog
Thousands died as a thick polluted fog engulfed London in 1952. People with respiratory and cardiovascular conditions were most at risk. The smog was a combination of pollution from millions of coal fires and freezing fog. Unusual atmospheric conditions trapped the pall over the city for four days. The civil disaster changed Britain. Two years later, the government passed the Clean Air Act to reduce the use of smoky fuels such as coal. Witness speaks to Dr Brian Commins, who worked for the Medical Research Council's Air Pollution Unit set up at St. Bartholomew's hospital in London in the 1950s.
