by Petersen, Christine.
A true book
Describes some of the earth's natural resources, their importance, and how they can be safeguarded. Full description
Protecting our natural resources
The everything kids' environment book : learn how you can help save the environment -- by getting involved at school, at home, or at play
Explore natural resources! : with 25 great projects
Green nation revolution : use your future to change the world
Conservation of natural resources
> Juvenile nonfiction.