News: World Earth Day is celebrated every year on 22nd April
- Background: It was first celebrated in the year 1970. The idea of commemorating such a day was propounded by Gaylord Nelson, a US senator from Wisconsin.
- The activities on Earth Day are led and coordinated by Earth Day Network. It is a US based international environmental NGO and has presence in 195 countries.
- 2020 Theme: Climate Action.