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11 Ways to Save Your Planet

Mouse connected to Planet Earth
Photo: Thinkstock

Shut Down

The average computer left on all day uses nearly 1,000 kilowatt hours of electricity a year, producing more than a ton of carbon emissions. So turn off your computer anytime you're not on it, and eliminate the screen saver function, which uses more energy than the sleep mode.

From the February 2008 issue of O, The Oprah Magazine
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