Earth Day is celebrated every year on April 22nd, and it is a global event aimed at raising awareness and promoting action towards environmental protection. It was first celebrated in 1970, and since then, it has become one of the largest civic events in the world, with over one billion people participating in activities such as clean-up campaigns, tree-planting initiatives, and educational programs. The theme for 2023 is Invest in Our Planet, a campaign that will focus on engaging governments, institutions, businesses and individuals in the fight against the climate crisis.