World Ozone Day

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World Ozone Day
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World Ozone Day

The International Day for the Preservation of the Ozone Layer, commonly known as Ozone Day, is observed on September 16, designated by the United Nations General Assembly. This designation was established on December 19, 2000, in remembrance of the date in 1987 when nations signed the Montreal Protocol on Substances that Deplete the Ozone Layer. In 1994, the UN General Assembly officially declared September 16 as the International Day for the Preservation of the Ozone Layer, commemorating the signing of the Montreal Protocol in 1987. The closure of the ozone layer hole was noted 30 years after the protocol's signing. Due to the chemical nature of the gases responsible for ozone depletion, their effects are anticipated to persist for a period ranging from 50 to 100 years.