Earth Day is always observed on April 22. International Earth Day is celebrated on the March equinox.
Reason We Celebrate Earth Day: To call attention to the environment.
History of Earth Day:
- Former U.S. Senator Gaylord Nelson was Earth Day's co-founder.
- The first Earth Day was in April 22, 1970.
- Senator Nelson got the name after reading about San Francisco’s Earth Day celebration which was held on March 21, 1970.