1. Chapter 13 Human Impacts on Natural Systems Physical Environments and Cultural Impacts Climates, Biomes, and Change Land Use and Land Cover Water Supply and Water Quality Garbage Heaps and Toxic Wastes Prospects and Perspectives

2. Bingham Canyon Copper Mine in Utah Figure 13.1 13-1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Source: Courtesy of Kennecott

3. Incoming Solar Energy Figure 13.2a 13-2 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

4. Incoming Solar Energy Figure 13.2b 13-3 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

5. Climates of the World Figure 13.3 13-4 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

6. The Pattern of Precipitation Variability Figure 13.4 13-5 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

7. Creating the Greenhouse Effect Figure 13.5 13-6 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

8. Formation and Effects of Acid Precipitation Figure 13.8a 13-7 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

9. 13-8 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Where Acid Rain Falls Figure 13.9 Source: Data from Canadian Government.

10. TOMS Depiction of Ozone Depletion Page 501 13-9 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Source: © NASA

11. Photochemical Smog in California Figure 13.10a 13-10 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Source: Copyright Exxon Corporation and the American Petroleum Institute.

12. 13-11 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Destruction of Trees by Acid Rain Figure 13.10b Source: Copyright Susan Reisenweaver.

13. Desertification Figure 13.12 13-12 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Source: Based on H.E. Dregne, Desertification of Arid Lands, figure 1.2, copyright 1983 Harwood Academic Publishers; and A World Map of Desertification, UNESCO/FAO.

14. No-Till Farming Page 509 13-13 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Source: Gene Alexander/Soil Conservation Service, USDA.

15. World Pattern of Soil Degradation Concern Figure 13.15 13-14 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Source: World Resources Institute and International Soil Reference and Information Center.

16. Percentage of Water Supply for Human Use Figure 13.16 13-15 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

17. The Hydrologic Cycle Figure 13.17 13-16 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

18. Mean Annual Percipitation Figure 13.18 13-17 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

19. A Sanitary Landfill Figure 13.24 13-18 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

20. The End