Environment

Watch: What is World Ozone Day?

Commonly known as the ‘World Ozone Day’, September 16 commemorates the Montreal Protocol that was signed on this date by 24 UN member nations in 1987, to limit and ultimately phase out the production of manmade chemicals like chlorofluorocarbons (CFCs) and 95 other ozone-depleting materials.

The slogan for this year “Ozone: All that is there between You and UV” is meant to show how human activity can impact the ozone layer and ultimately, the survival of the Earth and its environment as we know it.

According to the UN, the Montreal Protocol has led to the phase-out of 99% of ozone-depleting chemicals in refrigerators, air-conditioners and many other products. Parts of the ozone layer have recovered at a rate of 1-3% per decade since 2000, according to the Scientific Assessment of Ozone Depletion.

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Printable version | May 23, 2020 10:38:27 PM | https://www.thehindu.com/sci-tech/energy-and-environment/watch-what-is-world-ozone-day/article29430844.ece

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