Mystery of 1952 ‘Great Smog’ which killed 12,000 Londoners has been solved

In December 1952, the ‘Great Smog’ descended on London – a thick, polluted fog which made it difficult to see, and breathe. Up to 100,000 people became ill after the ‘Great Smog’ – and some estimates put the death toll at 12,000 people. The event prompted the 1956 Clean Air Act – but until now no one had fully understood why the fog poisoned so many.. Now researchers looking into China’s current air pollution issues may have worked it out – and Londoners may have been breathing in sulphuric acid…

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