Smil, Vaclav <br/><br/>
Global ecology  environmental change and social flexibility 

 - London  Routledge  1993 
 - xiii,240p.; 22cm. 
<br/><br/><label>ISBN: </label>415098866 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Effective strategies<br/>Elusive understanding<br/>Environmental policy<br/>Existential necessities<br/>Sustainable development