There is a natural balance between the production and destruction of the stratospheric ozone layer, and the ozone is depleted when the amount of destruction overtakes that of production. This unbalance can be achieved either through natural phenomena and man-made compounds, which release elements such as bromine and chlorine; the man-made factors are generally attributed to being the main cause for ozone depletion. This theory dates back to 1974, when researchers studied chloroflurocarbons (CFCs), man-made compounds, were the main cause for ozone depletion, but this theory was disregarded until the discovery of the ‘ozone hole’ in 1985.
There are actually quite a few chemicals that deplete the ozone. They are known as Ozone Depleting Chemicals, or ODCs. CFCs, or chlorofluorocarbons, are probably the most well know as they were the substances banned from aerosol containers and refrigerators during the early nineties. A fair overview of ODCs can be found linked below.
CFCs (Chlorofluorocarbons) deplete the ozone. CFCs have been largely banned but they used to be present in a lot of aerosol products.
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