Earth Day is the largest, most celebrated environmental event worldwide. Environmental challenges surround us as our actions pollute and often harm the fragile environment that humans and wildlife depend on to survive.
Earth Day is an annual event that provides the opportunity for positive actions and results and aims to inspire awareness of and appreciation for our environment. The United Nations celebrates Earth Day each year on the vernal (March) equinox. ***A global observance in many countries is held each year on April 22.