Lights Dim for Earth Hour

It's that time of year again: 8:30pm local
By John Johnson,  Newser Staff
Posted Mar 26, 2011 10:21 AM CDT
Earth Hour: Lights Dim at 8:30pm Around the World
Hong Kong: Commercial buildings in the city's central district switch off nonessential lights for Earth Hour.   (AP Photo/Kin Cheung)

Earth Hour is back for the fifth year, with cities around world dimming the lights at 8:30pm local time. Last year, nearly 130 nations took part, and National Geographic thinks the number could be bigger this year. The idea is to raise awareness of energy conservation: Click to read one skeptic's view that it's a superficial waste of time. (More Earth Hour stories.)

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