Environment :  our impact on the earth 

 - Boston, MA :  Wadsworth/Cengage Learning,  2014 
 - vi, 137 p. :  ill. (col.), maps ;  26 cm. 
 - National geographic learning reader .
<br/><br/>1. Freshwater. 2. The Redwoods Point the Way. 3. High-Tech Trash. 4. The Drying of the West. 5. The Big Melt. 6. Still Waters: The Global Fish Crisis. 7. Last of the Amazon. 8. Saving Energy: It Starts at Home. 9. The Gulf of Oil: The Deep Dilemma. 10. The 21st Century Grid. 11. The End of Plenty. 12. Water Pressure 
<br/><br/><label>ISBN: </label>9781285421070 1285421078 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature--Effect of human beings on<br/>Environmental degradation<br/>Human ecology<br/>Environmental sciences--Study and teaching