This is a very busy month for Earth Day Canada. Celebrated every April 22, Earth Day is the largest, most celebrated environmental event worldwide. More than 6 million Canadians join 1 billion people in over 170 countries in staging events and projects to address local environmental issues. Your child will probably be participating in an Earth Day activity. Earth Day Canada is offering a nice, free EcoKids calendar (and other cool things) for your kids or the kid in you;) Get your free calendar now.