The lights are going down from the Great Pyramids to the Acropolis, the Eiffel Tower to Sears Tower, as more than 2,800 municipalities in 84 countries plan Saturday to mark the second worldwide Earth Hour.
McDonald's will even soften the yellow glow from some Golden Arches as part of the time zone-by-time zone plan to dim nonessential lights between 8:30 p.m. and 9:30 p.m. to highlight global climate change.
"Earth Hour makes a powerful statement that the world is going to solve this problem," said Carter Roberts, chief executive of the World Wildlife Fund, which sponsors Earth Hour. "Everyone is realizing the enormous effect that climate change will have on them."Read more »