What is the theme of 2017 International Day for the preservation of the Ozone Layer?
[B] Mission Ozone
[C] Ozone and climate: Restored by a world united
[D] Caring for all life under the sun
The International Day for the preservation of the Ozone Layer is observed every year on September 16 to mark the commemoration of the date of signing of the Montreal Protocol in 1987 on substances that deplete the Ozone layer. It is mainly intended to spread awareness of the depletion of the Ozone Layer and search for solutions to preserve it. The 2017 theme ‘Caring for all life under the sun’. The Ozone layer is a fragile shield of gas which protects the Earth from the harmful ultraviolet radiation of the sun and thus helping preserve life on the planet. Substances like Chlorofluorocarbons, halons, Carbontetrachloride are responsible for ozone layer depletion.