Earth Day is an annual event celebrated on April 22 that highlights the need to protect the environment and promote environmental awareness. It was first celebrated in 1970, and since then, it has become a global event that is marked in more than 190 countries every year. The day is dedicated to promoting environmental education, responsible stewardship of natural resources, and sustainable practices. Some common activities associated with Earth Day include tree planting, litter cleanups, and other activities that help promote environmental protection. Many companies and organizations also use Earth Day as an opportunity to showcase their commitment to sustainability and to launch new initiatives focused on environmental protection.