Earth Day is celebrated on April 22 every year. The day is also known as International Mother Earth Day.

• The day is observed to spread awareness about issues, including the rampant increase in pollution, global warming, and deforestation, which harm the environment and result in the destruction of the planet.
• Countries from all over the world come together to raise awareness about the dire need to protect our environment.
• The theme of World Earth Day 2023 is "Invest in Our Planet", calling for businesses to shift towards sustainable practices. 
• Senator Gaylord Nelson established Earth Day in the 1970s. He wanted to promote ecology and increase public awareness of issues pertaining to the environment.