Earth Day, formerly Arbor Day, is celebrated on April 22. Spring is manifesting herself in a big way in April and the whole month is devoted to earth-friendly activities. Those of us who care about our planet know that every day is, or should be Earth Day. Here's a list of green-themed films that explore environmentalism and green living. Topics include oil, fuel alternatives, sustainable living, corporate farming problems, health issues, pollution and more. Use these for science class, homeschool, activist rallies and public awareness campaigns. Read on at Best Green Ecology Movies for Earth Month - Yahoo! News