Human footprint.

Have you ever thought about how much food, everyday products, and fuel you've consumed during the course of your life? In National Geogrphic's new program, Human Footprint, you'll find out that it's a lot. From our cars to our clothes dryers to our disposable toothbrushes, our im...

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Bibliographic Details
Format: Slide
Published: National Geographic, 2008.
Series:National Geographic

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