Monuments, Countries Douse Lights for `Earth Hour`
(WorldNews Health)

It was lights out in about 170 countries on Saturday as millions of people and thousands of cities took part in Earth Hour, a global effort to draw attention to climate change. The World Wide Fund for Nature organized the first Earth Hour in 2007 in Australia. The international effort began as a grass-roots event to urge people to reduce their use of energy as a way to help combat...