Desonie, Dana. <br/><br/>
Polar regions :  human impacts / 
Dana Desonie. 
 - New York :  Chelsea House,  2008. 
 - xiii, 202 pages :  illustrations (some.col.), maps ;  25 cm. 
 - Our fragile planet .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0816062188 (hardcover) 9780816062188  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Polar regions--Juvenile literature.<br/>Nature--Effect of human beings on--Juvenile literature.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Polar regions--Juvenile literature.