TNPSC Thervupettagam

World Ozone Day 2023 - September 16

September 18 , 2023 278 days 322 0
  • This day aims to inform people about the significance of the ozone layer along with how its depletion can have adverse effects on human health, ecosystems and the environment
  • On September 16, 1987, the United Nations and 45 other countries signed the Montreal Protocol, on substances that deplete the Ozone layer.
  • Hence, every year this day is celebrated as the International Day for the Preservation of the Ozone layer.
  • On September 16, 2009, the Vienna Convention and the Montreal Protocol became the first treaties in the history of the United Nations to achieve universal ratification.
  • The Kigali Amendment to the Montreal Protocol is legally binding and came into force from 1 January 2019.
  • The amendment aims to phase out Hydrofluorocarbons (HFCs), a family of potent greenhouse gases by the late 2040s.
  • The theme this year is “Montreal Protocol: Fixing the Ozone Layer and Reducing Climate Change”.

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