What Happens When We Don't Go GreenFrom numbers standpoint, the harm done to the planet is quite surprising.
Landmarks Locally, Worldwide Go Dark For 'Earth Hour'Go dark to go green -- that's what city buildings all around the world did for one hour Saturday.
Millions Expected To Take Part In "Earth Hour"Earth Hour is 8:30 to 9:30 Saturday night -- and there will be a number of local efforts.
PECO Building Powers Down Saturday Night In Honor Of 'Earth Hour'At 8:30 p.m. Saturday, many cities and towns around the globe will be observing Earth Hour. It was created by the World Wildlife Fund to raise awareness about climate change.
Global Initiative To Call Awareness To Global Warming ToniteEarth Hour is one hour out of the year where people turn off all their electricity.