World environment day is celebrated on 5th june every year. The Republic of Korea will host the event. The theme for this year is 'Beat plastic pollution'. It will mainly focus on ending plastic pollution globally, highlighting it's devastating impact. Every year 19 - 23 million tonnes of plastic waste leak into aquatic ecosystems.
June 5th is celebrated as world environment day because it commemorates the start of the United Nations Conference on the Human Environment in Stockholm, Sweden, in 1972.