The first earth day was April 22, 1970. Many consider it the birthday of the environmental movement. In 1990 the day went global with events in 145 countries worldwide. Today Earth Day is typically celebrated the entire week before the day itself. It’s observed in more than 170 countries and was instated as an official UN holiday in 2009.
The first Canadian Earth Day was held on September 11, 1980 at Queen’s University in Kingston. In 2004, Earth Day Canada became one the most successful North American environmental organizations. To figure out how to celebrate Earth Day in your community, check out this guide.