Earth Hour: One Hour of Darkness

"DUBLIN, Ireland (AP) -- From Rome's Colosseum to the Sydney Opera House, floodlit icons of civilization went dark Saturday for Earth Hour, a worldwide campaign to highlight the waste of electricity and the threat of climate change." [read more]

"On March 29, 2008 at 8 p.m., join millions of people around the world in making a statement about climate change by turning off your lights for Earth Hour, an event created by the World Wildlife Fund." [see Earth Hour]