Alma, Peter. <br/><br/>
Environmental concerns / 
Peter Alma. 
 - vi, 106 p ;  23 cm. 
 - Social Biology Topics .
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0521428696 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology - social.<br/>environment.