Lots More Information

Related HowStuffWorks Articles

• Is green consumerism a contradiction?
• How the EPA Works
• How the Sierra Club Works
• How Global Warming Works

More Great Links

• Earth Network: Earth Day 2009 -- The Green Generation
• EnviroLink: How the First Earth Day Came About
• U.S. EPA: Environmental Progress

Sources

• Binder, Libuse. "The Earth Day Evolution." Earth911. March 15, 2008.http://earth911.com/blog/2008/03/15/the-earth-day-evolution/
• Lewis, Jack. "The Spirit of the First Earth Day." EPA. January/February 1990.http://www.epa.gov/history/topics/earthday/01.htm
• Van Fleet, Toby. "The Evolution of Earth Day." Portland Tribune. April 15, 2008.http://www.portlandtribune.com/sustainable/story.php?story_id=120793668830193400

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