The following is the subset of questions from the full Greendex survey that, statistically, most accurately predict one's full Greendex score. Please note that the full Greendex survey scores are based on a much larger set of questions. By answering all of the questions below, however, we can closely approximate what your Greendex score would be if you were to take the full survey.
Explore the Greendex
See how your behavior stacks up against consumers in other countries on this interactive map.
Are you as savvy about the environment as you think? Find out in this quiz.
Learn more about the study components and methodology of this multiyear survey.
How to Feed Our Growing Planet
National Geographic explores how we can feed the growing population without overwhelming the planet in our food series.
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The Great Energy Challenge
The Great Energy Challenge is a National Geographic initiative to help you understand our current energy situation. Explore the GEC to figure out and trim your carbon footprint.
See how you measure up against others, and how changes at home or in travel choices could do tons to protect the atmosphere.
How much do you know about the power that keeps you cool in summer, cooks your meals every evening, and illuminates this computer screen?