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11 Ways to Save Your Planet

O, The Oprah Magazine  |  From the February 2008 issue of O, The Oprah Magazine
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.

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