Visualizing Environmental Science

191

10

100

10,000

DDTs HCHs Chloro-

benzenes

Chlor- PCBs

Concentration ng/g

1,000

Concentrations of persistent organic pesticides in
polar bear mother’s milk. Based on samples from
female polar bears in Hudson Bay, Canada.

Adapted from Arctic Monitoriing and Assessment Program

danes

Norbert Rosing/NG Image Collection

CHAPTER OUTLINE

The Atmosphere 192

■ Environmental InSight: The Atmosphere

s Atmospheric Circulation

Types and Sources of Air Pollution 196

s Major Classes of Air Pollutants

s Sources of Outdoor Air Pollution

■ What a Scientist Sees: Air Pollution from

Volcanoes

Effects of Air Pollution 201

s Air Pollution and Human Health

s Urban Air Pollution

s How Weather and Topography

Affect Air Pollution

■ EnviroDiscovery: Air Pollution May

Affect Precipitation

s Urban Heat Islands and Dust Domes

Controlling Air Pollutants 206

s The Clean Air Act

s Air Pollution in Developing Countries

Indoor Air Pollution 209

s Radon

■ Case Study: Curbing Air Pollution in Chattanooga

CHAPTER PLANNER

❑ Study the picture and read the opening story.

❑ Scan the Learning Objectives in each section:

p. 192 ❑ p. 196 ❑ p. 201 ❑ p. 206 ❑ p. 209 ❑

❑ Read the text and study all figures and visuals.

Answer any questions.

Analyze key features

❑ Environmental InSight, p. 193

❑ Process Diagram, p. 195

❑ What a Scientist Sees, p. 199

❑ EnviroDiscovery, p. 203

❑ Case Study, p. 212

❑ Stop: Answer the Concept Checks before

you go on:

p. 195 ❑ p. 200 ❑ p. 205 ❑ p. 209 ❑ p. 211 ❑

End of Chapter

❑ Review the Summary and Key Terms.

❑ Answer What is happening in this picture?

❑ Answer the Critical and Creative Thinking Questions.

✓✓