Date: Friday, 16 September 2022. 28th Anniversary. Sponsor: United Nations Objective: The International Day for the Preservation of the Ozone Layer is annually observed to advocate activities that create awareness on topics related to climate change and ozone depletion. Background: The ozone layer is a part of the atmosphere, which forms a natural shield that protects Earth … [Read more...] about International Day for the Preservation of the Ozone Layer 2022