A guide to world resources 2000-2001 :  people and ecosystems : the fraying web of life / 
World Resources Institute 
 - Washington :  World Resources Institute,  2000 
 - 25 p. :  ill. ;  27 cm. 
<br/><br/><label>ISBN: </label>1569734453  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources--Periodicals<br/>Human beings--Effect of environment on<br/>Environmental health<br/>Human ecology