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Earth Day Network - Coordinating worldwide events for Earth Day.

Earth Day Event Calendar  at the EnviroLink Network

Celebrate Earth Day How to Celebrate Earth Day from WikiHow

United States Earth Day  - The U.S. government's Earth Day site.

Earth Day Canada - The Canadian Official Site for Earth Day

Keep America Beautiful - Keep America Beautiful holds Earth Day cleanup activities in communities nationwide. The organization launched the famous Crying Indian campaign on Earth Day, 1971.

North Norfolk Coast Earth Day Event - Exhibition of environmental technologies and advice

Earth Day at Dhammakaya Temple

YouTube Earth Day Contest - Earth Day Video Contest on YouTube