Past Earth Hour Celebrations Around the Globe (Slideshow)

earth hour canada photo wwf
Photo via WWF-Canada

Whether or not Earth Hour saves a lot of power, it sure can be a lot of fun. From the mountains of Canada to the rivers of Vietnam, it's a great excuse to have fun in the dark. The stats even show that it saves electricity, too. TreeHugger tours the world, looking at Earth Hours past:

Past Earth Hour Celebrations Around the Globe slideshow

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