International Day for the Preservation of the Ozone Layer
Appearance
September 16 was designated by the United Nations General Assembly as the International Day for the Preservation of the Ozone Layer.
This designation was made on December 19, 1994, in commemoration of the date, in 1987, on which nations signed the Montreal Protocol on Substances that Deplete the Ozone Layer.
See also
External links
Wikimedia Commons has media related to Ozone layer.