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Explore the Greendex
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2010 Survey Results
See how your behavior stacks up against consumers in other countries on this interactive map.
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Greendex Calculator
Figure out how sustainable your own behavior is. Calculate your personal Greendex.
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About the Study
Learn more about the study components and methodology of this multi-year survey.
Greendex Quizzes
Are you as savvy about the environment as you think? Take these quizzes to find out.
The Green Guide
Environment Video
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Green Living Hot Topics
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Organic Air Fresheners
Avoid toxic chemicals and create a calming space.
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Surprising Recyclable Household Items
With a little know-how, you can recycle more than you think.
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Side Effects of Vegetarianism
Find out how to stay healthy and eat lower on the food chain.
Support Conservation
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Donate Today
Help conserve the world's natural resources.
Energy Tips From the Green Guide
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Lightbulb Buying Guide
CFLs still offer the best value for lighting. Learn the lingo and how to shop for a better bulb.
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Television Buying Guide
Read our shopping and usage tips and learn how to pick a more energy-efficient set.
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Room-by-Room Savings
Tour the Green Guide home to learn how you can reduce energy and water use.
The World's Water
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Visualizing Our Global Water Footprint
You might be surprised to see how the daily choices you make affect critical watersheds around the world.
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Why Care About Water?
National Geographic's freshwater initiative is a global effort to inspire communities to conserve water and restore rivers.
