Everything about Great Smog Of 1952 totally explained
The
Great Smog, also referred to as the
Big Smoke, befell
London starting on
December 5th,
1952, and lasted until
December 9th,
1952. This catastrophe caused or advanced the death of thousands and formed an important impetus to the modern
environmental movement. Deaths in most cases during the Great Smog were due to
respiratory tract infections from
hypoxia (low level of oxygenation of blood) due to mechanical obstruction of the air passages by
pus arising from lung infections caused by the smog. The lung infections were mainly
bronchopneumonia or acute
purulent bronchitis superimposed upon chronic
bronchitis.
Early in December
1952, a cold
fog descended upon London. Because of the cold, Londoners began to burn more
coal than usual. The resulting
air pollution was trapped by the
inversion layer formed by the dense mass of cold air. Concentrations of pollutants, coal smoke in particular, built up dramatically. The problem was made worse by use of low-quality, high-sulphur coal for home heating in London in order to permit export of higher-quality coal, because of the country's tenuous postwar economic situation
(External Link
). The "fog", or
smog, was so thick that driving became difficult or impossible. It entered indoors easily, and concerts and screenings of films were cancelled as the audience couldn't see the stage or screen.
Since London was known for its fog, there was no great panic at the time. In the weeks that followed, the medical services compiled statistics and found that the fog had killed 4,000 people—most of whom were very young or elderly, or had pre-existing respiratory problems. There was relief that
Queen Mary, The Queen Dowager, then aged 85 and suffering with respiratory problems, wasn't at
Buckingham Palace at the time of the incident. Another 8,000 died in the weeks and months that followed.
These shocking revelations led to a rethinking of air pollution; the disaster had demonstrated its lethal potential to people around the world. New regulations were put in place restricting the use of dirty fuels in industry and banning black smoke. These included the
Clean Air Acts of 1956 and
of 1968, and the
City of London (Various Powers) Act of 1954.
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