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The ozone layer of the Earth plays an important role in protecting human health and the environment. The United Nation’s International Day for the Preservation of the Ozone Layer is celebrated every year on September 16 to commemorate the date of signing of the Montreal Protocol on Substances that diminish the Ozone Layer.

It was signed by 28 countries in 1985 and on September 16, 1994 it was declared as the International Day for the Preservation of the Ozone Layer. The aim of the Montreal Protocol is protecting the ozone layer taking appropriate actions in control of diminishing potentials. This protocol has to control hundred types of chemical of different categories in production as well as consumption.

The UN Environment Program has specifically tailored educational packages to address the topics about the ozone layer of the Earth. They are being used by primary and secondary level educators to educate children on the related subject, climate change and diminish of the ozone layer.

People are encouraged to avoid the use of plastic materials and cosmetics that may cause ozone reduction, to plant trees and make others to do so, to be more aware of substances such as aerosols, sterilants, carbon tetrachloride, halons, etc. which harms and affects in the depletion of ozone layer.