Pollution :  problems & solutions / 
 Pollution problems and solutions 
National Wildlife Federation. 
 - Hardback ed. 
 - Philadelphia :  Chelsea House,  c1999. 
 - 110 p. :  ill. (some col ;  29 cm. 
 - Ranger Rick's naturescope .
 - Ranger Rick's naturescope. .
<br/><br/>Includes bibliographical references (p. 106-108) and index. 
<br/><br/> Science Books & Films (A.A.A.S.). 
<br/><br/> Text and activities introduce pollution, its causes and effects, and ways to prevent it. 
<br/><br/> Professional  Follett Library Resources. 
<br/><br/><label>ISBN: </label>0791048829 
<br/><br/><label>LCCN: </label>98039954 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution--Study and teaching (Elementary)--Activity programs.<br/>Pollution--Study and teaching.
<br/><br/><label>LC Class. No.: </label>TD176  / .P657 1999 
<br/><br/><label>Dewey Class. No.: </label>363.73