The Montreal Protocol on Substances that Deplete the Ozone Layer was designed to reduce the production and consumption of ozone depleting substances in order to reduce their abundance in the atmosphere, and thereby protect the earth’s fragile ozone Layer. The original Montreal Protocol was agreed on 16 September 1987 and entered into force on 1 January 1989.

Ozone-depleting substance (ODS), Ozone Layer, Ozone Depleting Potential, Sustainable Consumption and Production
Entry into force: 
1 Jan 1989
Source of information: Montreal Protocol website .
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