Petersen, Christine.

Conservation / by Christine Petersen. - New York : Children's Press, c2004. - 47 p. : col. ill. ; 22 cm. - A true book. .

Includes bibliographical references (p. 44-45) and index.

Describes some of the earth's natural resources, their importance, and how they can be safeguarded.

ISBN: 0516228056

LCCN: 2003018344

Subjects--Topical Terms:
Conservation of natural resources.

Dewey Class. No.: 333.7/2