Horton, Penny. <br/><br/>
Earth watch /  [book] 

 - New York :  Parkwest,  1992. 
 - 48 p. ;  26 cm. 
 - BBC fact finders .
<br/><br/><label>ISBN: </label>0563344075 (hardback) 0563344083 (paperback) 
<br/><br/><label>LCCN: </label>91077361  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental degradation.<br/>Environmental protection.<br/>Environmental degradation.<br/>Pollution.<br/>Environmental protection.
<br/><br/><label>LC Class. No.: </label>GE140.5  / .H67 1992 
<br/><br/><label>Dewey Class. No.: </label>363.7 HOR