Last Saturday night was Earth Hour when you were asked to turn off all non-essential lights in your home.
Lights were turned off on the Eiffel Tower, the Sydney Opera House and the Pyramids in Egypt. We turned ours out too.
The only light we had came from candles. Oh yeah, there was also the light from the TV. It seemed essential to watch the Montreal Canadiens play the Buffalo Sabres and see if they'd be closer to a playoff berth. (They lost but we're not giving up hope yet.)