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16Sep
16.09.2017 ǀ Air Pollution Control

International Day for the Preservation of the Ozone Layer

1994 the 49th General Assembly of the United Nations 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 on 16 September 1987.

Further information

Ozone Day