Explore the Greendex

  • Image: Greendex map

    2012 Survey Results

    See how your behavior stacks up against consumers in other countries on this interactive map.

  • Photo: Person holding a recycling bin

    Greendex Calculator

    Figure out how sustainable your own behavior is. Calculate your personal Greendex.

  • Photo: Survey

    About the Study

    Learn more about the study components and methodology of this multiyear survey.

@NatGeoGreen on Twitter

The Great Energy Challenge

  • Photo: Aerial view of a city at night

    The Great Energy Challenge

    The National Geographic initiative is a call to action to become actively involved, to learn more and do more—to change how we think about and consume energy so that we can all help tackle the big energy questions.

  • ec-100.jpg

    Meter Your Personal Energy

    See how you measure up against others, and how changes at home or in travel choices could do tons to protect the atmosphere.

  • energy-quiz-power-lines.jpg

    Quiz: What You Don't Know About Energy

    How much do you know about the power that keeps you cool in summer, cooks your meals every evening, and illuminates this computer screen?