Ozone Day 2018, the international day for the preservation of the ozone layer, sponsored by Department of Environment and Climate Change celebrated on 25th September 2018. Dr. E V Ramaswamy, Director, School of Environmental Sciences, Mahatma Gandhi University inaugurated the celebration and delivered a talk on “Keep Cool and Carry on”, the theme of the year. He discussed the environmental aspects of ozone layer protection and ozone depleting chemicals especially the role of microplastics. Elocution competition and essay competitions were also held in connection with the celebrations.