WORLD ENVIRONMENT DAY ‘2021 World Environment Day is celebrated on June 5 every year to remind people about the importance of nature. The theme of World Environment Day 2021 is ' Ecosystem Restoration '. The main idea behind celebrating World Environment Day is to remind people that nature should not be taken for granted . It is celebrated across the globe to respect and acknowledge everything that the environment has given us and to take the pledge that we will protect it and will put efforts to generate awareness on environmental issues , the world is facing today . The world environment day is also “people’s day “ which is a day to do something to take care of our environment .