Every year, in the month of April (when spring is just really beginning here in Canada) there is a worldwide event that occurs.  Earthday was an idea which began in 1962 and has since grown to become one of the most recognizable environmental events we have today.  You can read the full history, as explained by the founder here.
Nowadays, Earthday can be considered a weeklong event, while the actual day, April 22 is when you will find the bulk of the major nation wide events occurring.  All sorts of interesting …