Earth Day
Earth Day Earth Day is the largest, most widely celebrated international environmental event. Earth Day helps celebrate Earth’s unique place in the universe. It is the only planet in our solar system teeming with incredible biodiversity. Learning about and protecting this biodiversity is what Earth Day is all about. People all over the world celebrate our efforts to protect plants and animals and to clean up the world we live in. Most people celebrate Earth Day on April 22nd each year. In some countries, it is celebrated a month earlier on the vernal equinox.