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30 years ago in May 1985, the first ozone hole was discovered over Antartica. This massive “hole” in the ozone layer triggered panic leading to the signing of the Vienna Convention and the Montreal Protocol. Since 1994, 16th September has been celebrated as World Ozone Day.
September 16 is also known as the International Day for the Preservation of the Ozone Layer, this day commemorates the Montreal Protocol that was signed by 24 UN member nations in 1987, to limit and ultimately phase out the production of man-made chemicals like chlorofluorocarbons (CFCs) and 95 other ozone-depleting materials to preserve the ozone layer.
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