1. Air Pollution Chapter 20

2. The Atmosphere as a Resource Atmospheric composition: Nitrogen = 78% Oxygen = 21% Argon = 0.93% Carbon dioxide = 0.04%

3. Types and Sources of Air Pollution Major Air Pollutants

4. Types and Sources of Air Pollution Primary and Secondary Air Pollutants

5. Types and Sources of Air Pollution Major Classes of Air Pollutants Particulate matter Nitrogen oxides Sulfur oxides Carbon oxides Hydrocarbons Ozone Ozone damage

6. Types and Sources of Air Pollution Primary Air Pollutants

7. Types and Sources of Air Pollution Sources of Outdoor Air Pollution

8. Types and Sources of Air Pollution Hydrocarbon emissions in Atlanta, Georgia

9. Types and Sources of Air Pollution Urban Air Pollution

10. Types and Sources of Air Pollution Case-in-Point: Air Pollution in Los Angeles and Mexico City Sources of smog in Los Angeles

11. Types and Sources of Air Pollution Case-in-Point: Air Pollution in Los Angeles and Mexico City Smog in Mexico City

12. Effects of Air Pollution Air Pollution and Human Health

13. Effects of Air Pollution Health Effects of Specific Air Pollutants Sulfur dioxide, nitrogen dioxide, & particulate matter – airway irritation and constriction Carbon monoxide – headache, fatigue, drowsiness, death Ozone – burning eyes, coughing, and chest discomfort

14. Controlling Air Pollution in the United States Controlling Air Pollutants Turned ON Electrostatic precipitator Turned OFF

15. Controlling Air Pollution in the United States Controlling Air Pollutants Scrubber

16. Controlling Air Pollution in the United States Clean Air Act Emissions in the US, 1970 vs. 2000

17. Controlling Air Pollution in the United States US Urban Areas with Worst Air Quality, 2002

18. Controlling Air Pollution in the United States Other Ways to Improve Air Quality Reducing the sulfur content in gasoline Require federal emissions standards to apply to ALL passenger vehicles Require emission testing for ALL vehicles

19. Air Pollution Around the World Many nations do not have most current pollution scrubbing technologies Air pollution in China

20. Air Pollution Around the World Long-Distance Transport of Air Pollution

21. Indoor Air Pollution

22. Indoor Air Pollution and the Asthma Epidemic # of asthma sufferers has doubled since 1970 Exactly why is unknown, but thought to be linked to increased indoor air pollution

23. Indoor Air Pollution Radon