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    How Much Water Can You Save?

    Find Your H20 Footprint With Our New Calculator

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More About the Environment

  1. ARLINGTON HEIGHTS, IL - AUGUST 02: In-window air conditioners for sale at Lowe's home improvement store August 2, 2006 in Arlington Heights, Illinois. With the heat wave blanketing much of the Midwest and now the East Coast, retailers have reported a spike in sales of air conditioners and fans.  (Photo by Tim Boyle/Getty Images)

    Air Conditioning Quiz

    You know how much you rely on air conditioning to escape the summer heat. But what do you know about the energy that goes into keeping you cool?

  2. Photo: Floods at Great Salt Lake, Utah

    Photo Gallery: Floods

    The enormous power of moving water can be a force of both destruction and renewal. See images of flooding from around the world.

  3. Image: Sea turtle swimming off of Florida's Atlantic coast.

    100s of Gulf Turtle Eggs Relocated

    In an effort to save baby sea turtles from the BP oil spill, workers are moving up to 700 nests from the Gulf to Florida's Atlantic coast. Video.

  4. Photo: Man running along Lake Michigan city skyline

    Chicago: America's Green City

    A breath of clean air revitalizes a Midwestern metropolis.

  5. Rotating wind turbines during a storm near Cuxhaven, Germany.

    Energy News

    From Google energy markets to new nuclear fusion technologies, stay on top of the world's power puzzle.

  6. Photo: A cave diver holding a Maya skull underwater

    Wes Skiles Photography

    The mysterious world of underwater caves comes to life in a photographic tribute to Wes C. Skiles, an accomplished underwater photographer who died while diving on July 21, 2010.

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    Greendex Survey

    Do you know how your personal choices add up when it comes to environmental impact? View our annual survey to see how you American consumers compare to consumers in other countries.

Environment Topics

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Pledge to Cut Your H2O Footprint

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    Water Calculator

    Figure out your footprint, then join hundreds of website visitors who together have pledged to save thousands of gallons a day.

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    Blue Planet Expedition

    Once you pledge, sign up to get more involved in Alexandra Cousteau's cross-country water expedition.

The Great Energy Challenge

Better understand the need for clean energy and learn how to be part of the solution.

  1. 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 a like taking off extra pounds. These small steps may help heal the planet, and save you money.