Earth Day is an annual global event on April 22nd dedicated to environmental protection and sustainability. It mobilizes more than 1 billion people in over 190 countries to fight climate change, reduce waste, and support green energy through education, activism, and volunteering. The purpose of Earth Day is to raise awareness about environmental issues and to encourage action to protect the planet. Activities vary from large-scale marches to local community actions. The theme in 2026 is “Our Power, Our Planet” focusing on accelerating the transition to clean energy, promoting clean air and water, and ensuring climate stability.