World Ozone Day - 16 September

Tags: Important Days

World Ozone Day, also known as the International Day for the Preservation of the Ozone Layer, is observed annually on 16 September.

An Overview of the News

  • The ozone layer is composed primarily of trioxygen molecules (O3) and acts as a protective shield against harmful ultraviolet (UV) rays from the Sun.

  • The theme of World Ozone Day 2023 is "Montreal Protocol: Recovering the ozone layer and mitigating climate change".

  • This theme underlines the important role of the Montreal Protocol not only in protecting the ozone layer but also in addressing and mitigating climate change.

History of World Ozone Day

  • On September 16, 1987, a landmark environmental treaty called the Montreal Protocol was established in Montreal, Canada.

  • The Montreal Protocol represents an important moment in global efforts to address the depletion of the ozone layer.

  • Its primary focus was on regulating ozone-depleting substances (ODS), which included substances such as chlorofluorocarbons (CFCs), halons, carbon tetrachloride, and methyl chloroform.

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