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The International Day for the Preservation of the Ozone Layer is observed on
1. September 12
2. September 14
3. September 16
4. September 20

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Correct Answer - Option 3 : September 16

The correct answer is September 16.

  • The International Day for the Preservation of the Ozone Layer is observed on September 16.
  • The theme for 2020 World Ozone Day is “Ozone for life: 35 years of ozone layer protection”.
  • In 1994, the United Nations General Assembly proclaimed 16 September the International Day for the Preservation of the Ozone Layer.
  • Commemorating the date of the signing in 1987, the Montreal Protocol on Substances that Deplete the Ozone Layer.
  • This 2020 year, celebrate 35 years of the Vienna Convention and 35 years of global ozone layer protection.

  • The ozone layer is a natural layer of gas in the upper atmosphere that protects humans and other living things from harmful ultraviolet (UV) radiation from the sun.
  • The ozone layer is typically thicker over the poles than over the equator.
  • The ozone layer exists in the stratosphere, a layer 10 to 50 km above the Earth’s surface.
  • The reasons for ozone depletion are a wide range of industrial and consumer applications, mainly refrigerators, air conditioners (hydrochlorofluorocarbons (HCFCs), chlorofluorocarbons (CFCs)), and fire extinguishers.
  • Ozone depletion is greatest at the South Pole (Antarctica).

  • World First Aid Day is observed on 14 September to raise awareness among the public about how first aid can save lives in case of crises.
  • Hindi Diwas is celebrated on 14 September.

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