Discovered in 1913 by French physicists Charles Fabry and Henri Buisson, the ozone layer or ozone shield is a region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation, as defined by Wikipedia. The ozone layer is mainly found in the lower portion of the stratosphere, from approximately 15 to 35 kilometres (9.3 to 21.7 mi) above Earth, although its thickness varies seasonally and geographically. It is the preservation of this Ozone layer that brought into existence the World Ozone Day.
Every year, 16th September is celebrated as International Day for the Preservation of the Ozone Layer across the globe. 32 years ago, on 26th August 1987, 197 countries signed the Montreal Protocol to prevent the use of substances that negatively impact the ozone layer. The treaty was recently amended as well. "The Montreal Protocol on Substances that Deplete the Ozone Layer" was enforced on 16 September 1989 by the United Nations and has shown positive effects year after year. So much so that, it is considered the most successful international environmental treaty to date.
'32 Years and healing' is the aptly dedicated theme for this year. It showcases hope and progress towards making amends to keep the Ozone layer and thus the existence of Earth safe and sound.
Here's how Twitter is celebrating World Ozone Day:
This World Ozone Day, while it is great to know that the damage done to the Ozone layer is being reversed each year, we still have a long way to go. Let's work together to reduce the emission of harmful gases.
What are the measures that you implement to do your bit towards keeping the environment around you safe and habitable for generations to come? Tell us your answers in the comments section below.
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