Every year on April 22, men, women, and children collect garbage, plant trees, clean up coral reefs.

April 22, 1970. Is when it began.

Remember 20 million people gathered in the streets of America to protest the industrial revolution.

The founder was Gaylord Nelson.

History says that more than 100,000 people rode bikes in China.

Disney released a documentary film called Earth that followed animal families.

Afghanistan’s people planted 28 million trees in 2011.

You can make a change.