Landmark Lights Go Out As Earth Hour Is Observed Around The WorldIconic landmarks around the world switched off their lights Saturday to celebrate Earth Hour.
What Happens When We Don't Go GreenFrom numbers standpoint, the harm done to the planet is quite surprising.
Bay Area Lights Go Out As World Observes Earth HourBay Area bridges, high-rises and landmarks go dark at 8:30 p.m. Saturday evening to mark Earth Hour.
New Bay Bridge Light Show Goes Dark For Earth HourThe Bay Lights on the San Francisco-Oakland Bay Bridge will go dark for an hour Saturday night to mark Earth Hour 2013.

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