On the sideline of Iran's Cabinet session on Wednesday, Salajegheh, pointed to the International Day for the Preservation of the Ozone Layer (Sept. 16), and said that Iran succeeded in omitting 9,800 tons of ozone-destroying gasses changing the manufacturing processes of 1,378 factories so far.
The Montreal Protocol is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion.
This Protocol was agreed on 16 September 1987, and entered into force on 1 January 1989.
International Day for the Preservation of the Ozone Layer is celebrated on September 16 designed by the United Nations General Assembly.
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