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World Ozone Day is celebrated every year to raise awareness about the life-saving shield called OZONE. This thin layer covers the earth’s uppermost region “Stratosphere” preventing us from harmful radiation from the sun.
Even after being aware of this fact, the world did not realize its importance until the first ozone hole was discovered.
History Of World Ozone Day
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What Is Written In The Montreal Protocol?/stackumbrella/media/media_files/wp-content/uploads/2021/09/1608789662-2599.jpg)
The 1987 Montreal Protocolincludes 3 vital provisions regarding environmental protection and control measures. The treaty aims to reduce the ODS (ozone depletion substances) and is a time-binding agreement among all member countries.
CFCs, Halon, CCl4, and other Ozone Depletion Substances were listed under this protocol. Most of these chemicals are used in cooling gadgets such as AC, and refrigerators.
World Ozone Day 2021 Theme
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Effect Of Montreal Protocol
It is the result of the Montreal Protocol and efforts of all member countries that the largest ozone hole is now closed. The hole expanded up to 24 million sq. kilometers in October 2020. However, the 40-years old gap in the ozone layer begins to slow down due to the rising temperature in the stratosphere layer, as per the WMO report.