Earth Day is celebrated each year on April 22nd. The brainchild of environmentally-conscious Senator Gaylord Nelson of Wisconsin, Earth Day was first observed in 1970. Nelson’s intention was that Earth Day be observed through nationwide “teach-ins” on college campuses. Instead of focusing on the Vietnam War, however, theses teach-ins focused on the threats facing the environment. The 1970 event was celebrated across the country and was wildly successful. Earth Day is now celebrated in more than 175 countries throughout the world.

• Earth Site — Earth Day information from John McConnell, the founder of Earth Day
• Earth Day 2011 — The Earth Day Network Web site includes information on current campaigns and projects, suggestions for earth-friendly actions, and news and information on Earth Day and environmental issues.
• Earth Day — Earth Day ideas for kids from Planet Pals
• Earth Day Online — Learn about the history of Earth Day and all sorts of Earth Day events at this site, which is a project of Envirolink.
• Earth Day Groceries Project — Kids around the country decorate grocery store bags to be used on Earth Day
• Earth Day Crafts and Projects — Ideas from Enchanted Learning
• Earth Day 2011 — Crafts, games and projects from the Kaboose website
• Happy Earth Day Coloring and Activities Book — Download this free, 11 page coloring book from the United States Environmental Protection Agency
• The Lorax’s Save the Trees Game — Celebrate Earth Day the Dr. Seuss way!