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15.5 End-of-Chapter Material

Summary

  1. Functionalism stresses the value of normal changes in population growth and the environment, but recognizes that certain population and environmental problems are dysfunctional. Conflict theory stresses that world hunger stems from lack of access to food, not from overpopulation, and it blames multinational corporations for environmental problems. Symbolic interactionism emphasizes people’s activities and perceptions in regard to population and the environment.
  2. Demography is the study of population. It encompasses three central concepts—fertility, mortality, and migration—which together determine population growth.
  3. The world’s population is growing by about 80 million people annually. Population growth is greatest in the low-income nations of Africa and other regions, while in several industrial nations it is declining.
  4. Thomas Malthus predicted that the earth’s population would greatly exceed the world’s food supply. Although his prediction did not come true, hunger remains a serious problem around the world. Food supply is generally ample thanks to improved technology, but the distribution of food is inadequate in low-income nations.
  5. Demographic transition theory helps explain why population growth did not continue to rise as much as Malthus predicted. As societies become more technologically advanced, first death rates and then birth rates decline, leading eventually to little population growth.
  6. US history is filled with prejudice against immigrants. Immigrants today contribute in many ways to the American economy and have relatively low crime rates. Despite these facts, many people are opposed to immigration, and many states have passed laws to restrict benefits and movement for immigrants.
  7. Environmental sociology is the sociological study of the environment. One major emphasis of environmental sociology is that environmental problems are largely the result of human activity and human decision making. A second major emphasis is that environmental problems disproportionately affect low-income people and people of color. These effects are called environmental inequality and environmental racism, respectively.
  8. Environmental problems include climate change, air and water pollution, and hazardous waste. Children are particularly vulnerable to the health effects of environmental problems.

Using What You Know

You are in your second year in the accounting division of a large company that operates a factory on the main river in a small town. One day you notice some financial documents. These documents suggest to you that your company has been dumping a toxic solvent into the river rather than having it collected and taken to a safe site. Having had an environmental sociology course in college, you are very concerned about this possible problem, but you are not certain that the dumping is in fact occurring, and you also do not want to lose your job. Do you take any action related to your new suspicion of the possible dumping, or do you remain silent? Explain your answer.

What You Can Do

To help deal with the population and environmental problems discussed in this chapter, you may wish to do any of the following:

  1. Contribute money to a national environmental organization or join a local environmental group in your activity.
  2. Start an organization on your campus to deal with world hunger.
  3. Organize speaker series on your campus to various environmental topics.