National Earth Day is observed each year on April 22.
National Earth Day is held to demonstrate support for environmental protection. Every year around the world, Earth Day organizers promote green campaigns to save the Earth.
HOW TO OBSERVED
Celebrate National Earth Day by getting engaged in Earth Day activities in your area. Share your Earth Day experiences using #EarthDay on Social Media.
The concept of Earth Day was established in 1969 at a UNESCO Conference in San Francisco. On March 21, 1970, a sanctioned Proclamation was signed by Secretary General U Thant at the United Nations. On April 22, 1970, U.S. Senator Gaylord Nelson founded Earth Day. National Earth Day is not considered a national holiday. However, we encourage you to learn more about this important day at http://www.earthday.org/earth-day-history-movement. HAPPY EARTH DAY!
Source: National Day Calendar