our impact on the earth The National Geographic text Boston, MA Wadsworth/Cengage Learning 2014 monographic eng

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vi, 137 p. : ill. (col.), maps ; 26 cm. 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 Nature Effect of human beings on Environmental degradation Human ecology Environmental sciences Study and teaching 9781285421070 1285421078 UMP 130625 20251125095419.0 vtls000072737