Earth Day Network is the nonprofit coordinating body of worldwide Earth Day activities. Our goal is to promote a healthy environment and a peaceful, just, sustainable world by spreading environmental awareness through educational materials and publications, and by organizing events, activities, and annual campaigns. Our network includes more than 5,000 organizations in 184 countries. It's a wide wide Web out there, chock-full of interesting and valuable projects, games, downloadable files, and more. There's plenty to help you develop a curriculum to celebrate Earth Day in the weeks and months leading up to April 22nd.