International Day for the Preservation of the Ozone Layer countdown
A day highlighting international cooperation to protect the ozone layer, which limits exposure to harmful ultraviolet radiation.
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About International Day for the Preservation of the Ozone Layer
The General Assembly proclaimed the observance in 1994, with the first celebration in 1995. The date, 16 September, marks the signing of the Montreal Protocol on Substances that Deplete the Ozone Layer in 1987.