International Day for the Preservation of the Ozone Layer: 16 September

International Day for the Preservation of the Ozone Layer was observed on 16th September throughout the world. The theme for International Day for the Preservation of the Ozone Layer 2018 was ‘Keep Cool and Carry On: The Montreal Protocol’. This day aims to create awareness on issues related to climate change and ozone depletion.
Source- The United Nations