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’.