When is the international day for preservation of ozone layer is celebrated ?
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16 September is celebrated as the International Day for the Preservation of the Ozone Layer.
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On December 19, 1994, the UN General Assembly proclaimed September 16 to be the International Day for the Preservation of the Ozone Layer, commemorating the date when the Montreal Protocol on Substances that Deplete the Ozone Layer was signed in 1987. The day was first celebrated on September 16, 1995.
So,the answer to this question is September 16
So,the answer to this question is September 16
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