Darling, Frank Fraser. <br/><br/>
Wilderness and plenty / 
Frank Fraser Darling. 
 - London :  British Broadcasting Corporation,  1970. 
 - 88 p. ;  23 cm. 
 - The Reith lectures,  1969. .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0563092815 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature--Effect of human beings on.<br/>Conservation of natural resources.<br/>Pollution.