Green. 

 - Boston, MA, USA :  National Geographic Learning ;  Wadsworth Cengage Learning,  [2013] 
 - vii, 153 pages :  illustrations, maps ;  26 cm. 
 - National Geographic learning reader series. .
<br/><br/><label>ISBN: </label>9781133603580  RM107.80 1133603580 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Global environmental change.<br/>Green movement.<br/>Environmental protection.<br/>Nature--Effect of human beings on.<br/>Human ecology.<br/>Readers (Adult).