Human footprint : everything you will eat, use, wear, buy, and throw out in your lifetime /Author: Kirk, Ellen,
Publisher: Washington, D.C. : National Geographic,
Date: c2010. This title can be found in 1 Iowa libraries.
True green kids : 100 things you can do to save the planet /Author: McKay, Kim.
Publisher: Washington, D.C. : National Geographic,
Date: 2008. This title can be found in 14 Iowa libraries.
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