Chapter 15 Review

chapter 15Review

In this chapter, we examined the major air pollutants and their natural and anthropogenic sources. We found that photochemical smog and acidic deposition are two air pollution problems that have had different outcomes, at least for now. Smog is still a problem in many locations around the world while acidic deposition has become less of a problem in North America and Europe. There are a variety of measures for controlling air pollution including pollution prevention and devices that remove pollutants from smokestacks before it is released into the atmosphere. Stratospheric ozone depletion has occurred because of the release of chlorofluorocarbons (CFCs) from refrigeration and air-conditioning units. Due to an international agreement, the Montreal Protocol on Substances That Deplete the Ozone Layer, there was a significant reduction in the use of CFCs and stratospheric ozone depletion has been reduced. Indoor air pollution is a problem that occurs around the world, although with causes and pollutants that differ between developing and developed countries.

Key Terms

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Question

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Learning Objectives Revisited

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Module 46 Major Air Pollutants and Their Sources

Module 47 Photochemical Smog and Acid Rain

Module 48 Pollution Control Measures

Module 49 Stratospheric Ozone Depletion

Module 50 Indoor Air Pollution