The Asia Pacific Regional Ozone2Climate Art Contest (O2C Art Contest), launched on the World Ozone Day, 16 September 2021 by the United Nations Environment Programme (UNEP) Asia and the Pacific Office, the United Nations Educational, Scientific and Cultural Organization (UNESCO), and the National Ozone Units (NOUs) in Asia Pacific in partnership with Mahidol University, aims to engage the general public, particularly youth to call actions and raise awareness for the protection of ozone layer and mitigation of climate change through visualization of artwork.