Earth+Day

@http://www.planetpals.com/iagames/litterbug.htm

@http://www.planetpals.com/earthday2.html

@http://www.planetpals.com/planet.html

@http://www.planetpals.com/planet2.html

@http://www.planetpals.com/worldwonders.html

@http://www.planetpals.com/weather.html

@http://www.planetpals.com/habitats.html

@http://www.planetpals.com/ozone_layer.html

@http://www.planetpals.com/globalwarming.html

@http://greenliving.about.com/od/greenprograms/a/earth_day_history.htm