On the 16th of September 2021, a football match between two teams of Vora city was organized on the occasion of World Ozone Day, 16 September 2021. During preparations for the match, the NOU representatives took the opportunity to brief the participants on World Ozone Day 2021, Vienna Convention and Montreal Protocol on Substances that Deplete the Ozone layer, and the importance of the ozone layer protection. The nature of this activity was not only sportive, but also an informative one. At the end, both teams composed of 12 members were rewarded with T-shirts, hats and masks printed with the logo of World Ozone Day 2021.