Sustainable Earth

  • Oil coats beach sand at the mouth of the Mississippi River, south of Venice, Louisiana, U.S., on Monday, May 17, 2010. President Barack Obama is planning to create a commission to investigate the BP Plc drilling accident, following presidential probes in prior decades of the Three Mile Island nuclear accident and the Space Shuttle Challenger disaster. Photographer: Jordan Burke/Bloomberg via Getty Images

    Your Oil Spill IQ

    You know the Gulf is a mess, but how much do you really know about oil spills?

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    Personal Energy Meter

    See how you measure up against others, and how changes at home could do tons to protect the planet.

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    Your Energy Diet

    Reducing power use is like taking off extra pounds. These small steps may help heal the planet and save you money.

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The World's Water

Learn More About Freshwater »

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