World Ozone Day: History
On December 19, 1994, the United Nations General Assembly proclaimed September 16 the International Day for the Preservation of the Ozone Layer, commemorating the date, in 1987, on which the Montreal Protocol on Substances that Deplete the Ozone Layer was signed.
On September 16, 1987, the United Nations and 45 other countries signed the Montreal Protocol, on substances that deplete the Ozone layer. Every year, this day is celebrated as the International Day for the Preservation of the Ozone layer.
The purpose of the Montreal Protocol is to protect the Ozone layer by reducing the production of substances that are supposed to be responsible for Ozone layer depletion.
World Ozone Day: Theme
“Ozone for life” is the slogan for World Ozone Day 2020. This year, we celebrate 35 years of global ozone layer protection.
The slogan of the day, “Ozone for life”, reminds us that ozone is crucial for our life on Earth and we must continue to protect the ozone layer for our future generations also.
This year, we celebrate 35 years of the Vienna Convention and 35 years of global ozone layer protection.
What is the Ozone layer?
The Ozone layer is a piece of the atmosphere that has high ozone concentrations. Ozone is a gas that is made of three oxygen atoms O3. Depending on where the ozone layer is, it can either harm life or protect life on Earth.
Most of the ozone stays within the stratosphere whereby it acts as a shield, protecting the surface of the Earth from the harmful ultraviolet radiation of the sun. If this shield was to weaken, we would all be more susceptible to impaired immune systems, cataracts, and skin cancer.
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