International Day for the Preservation of the Ozone Layer is observed on September 16 annually. Also known as World Ozone Day, the day is significant in raising awareness on the steps that we, as a society need to take to help preserve the ozone layer. The day was designated by the United Nations General Assembly to spread awareness about the depletion of the ozone layer. The ozone layer plays a key role in filtering out the harmful UV rays and other pollutants from entering the Earth's atmosphere. From conscious gas consumption to maintaining air conditioners, to shopping locally, watch the video to know the five steps one must take to protect the layer which shields the Earth from the sun’s ultraviolet rays.