STEFFEN, Alex ed. <br/><br/>
Worldchanging  a user�s guide for the 21st century 

 - New York  Abrams  2006 
 - 596 p. 
<br/><br/> foreword by Al Gore ; design by Sagmeister Inc. 
<br/><br/><label>ISBN: </label>9780810930957 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmentalism, Sustainable development, Green movement.
<br/><br/><label>Dewey Class. No.: </label>333.7  / STE-W