For some reason the entire country has gone a bit crazy over Earth Hour. Earlier this week more people had signed up for it online in Canada than in the entire United States, with ten times the population. The US has slipped ahead by a few thousand right now, but in Canada one in 606 citizens is on board; in the US it is one in 5,347.
http://www.treehugger.com/files/2008/03/canada-nuts-over-earth-hour.php