Langone, John,   1929- <br/><br/>
Our endangered earth :  what we can do to save it / 
John Langon e. 
 - Boston :  Little, Brown,   c1992. 
 - 197 p. ;   25 cm. 
<br/><br/>Includes bibliographical references (p. 181-186) and index. 
<br/><br/> Discusses the environmental crisis, focusing on such problems as ove rpopulation, the pollution of water, air and land, ozone depletion, glo bal warming, and disappearing wildlife. Suggests ways to improve life i n the twenty-first century. 
<br/><br/><label>ISBN: </label>0316514152 
<br/><br/><label>LCCN: </label>91-013763 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pollution-- Environmental aspects-- Juvenile literature.<br/>Environmental protection-- Juvenile literature.<br/>Pollution.<br/>Environmental protection.
<br/><br/><label>Dewey Class. No.: </label>363.7