International Day For The Preservation Of The Ozone Layer
- International Day for the Preservation of the Ozone Layer is observed on 16 September.
- This day commemorates the drafting of The Montreal Protocol on Substances that Deplete the Ozone Layer.
- On 16th September 2009, the Vienna Convention and the Montreal Protocol became the first treaties in the history of the United Nations to achieve universal ratification.
- Theme for 2020 World Ozone Day: ‘Ozone for life: 35 years of ozone layer protection’.