On 29 March 2008, join Sydney, Toronto, Tel Aviv, San Francisco, Atlanta, Copenhagen, Chicago, and other cities in turning off their lights at 8 PM. So far, 14 cities are participating, even Suva in Fiji. During that hour, World Wildlife Fund suggests hosting a green party, cleaning up your neighborhood. talking to your children about the environment, replacing your lights with compact fluorescent bulbs, install power strips, change your furnace filters, playing boardgames or reading by candlelight, basically spending time with your family without the distractions of television, video games and other electronic equipment.
Go to Earth hour for other ideas, make a pledge to reduce your carbon footprint, and to sign up for the event.