Updated: April 21, 2009
In 1970, 20 million people celebrate the first earth day. Since then, the holiday has taken on a life of it's own as people all over the globe participate in environmental projects and efforts every April 22nd. What will you do to mark this day? Tell us below.
Environment 101
Your how-to handbook to saving the planet.
Going Green
Simple ways to save your planet. With videos, games and quizzes, the change starts NOW.
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