Caring for the earth : 

 - Gland, Switzerland :  IUCN--the World Conservation Union :  United Nations Environment Programme :  World Wide Fund for Nature,  c1991. 
 - iv, 228 p. ;  27 cm. 
<br/><br/> Accompanied by: Summary. 24 p. ; 27 cm. 
<br/><br/><label>ISBN: </label>2831700744 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.<br/>Sustainable development.<br/>Nature conservation.<br/>Sustainable living.
<br/><br/><label>Dewey Class. No.: </label>304 IUC 1991 C149 Or.