March 26, 2011

Earth Hour 2011: When and Why?

Brian Handwerk, National Geographic


AP Photo

The Empire State Building, the Eiffel Tower, Beijing's Forbidden City, and hundreds of other world landmarks will be abruptly blacked out Saturday night.

 

But the 60-minute power outages—scheduled for 8:30 to 9:30 p.m., local time—won't be the results of a terrorist plot, natural disaster, or massive solar flare. They're all part of Earth Hour 2011.

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TAGGED: Greenhouse Gas Emissions, Climate Change, Global Warming, Conservation

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