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As usual, the major sociological perspectives offer insights that help us understand issues relating to population growth and to the environment. Table 15.1 "Theory Snapshot" summarizes their assumptions.
Table 15.1 Theory Snapshot
|Theoretical perspective||Major assumptions|
|Functionalism||Population and the environment affect each other. Normal population growth is essential for any society, but population growth that is too great or too little leads to various problems. Environmental problems are to be expected in an industrial society, but severe environmental problems are dysfunctional.|
|Conflict theory||Population growth is not a serious problem because the world has sufficient food and other resources, all of which must be more equitably distributed. The practices of multinational corporations and weak regulation of these practices account for many environmental problems.|
|Symbolic interactionism||People have certain perceptions and understandings of population and environmental issues. Their social backgrounds affect these perceptions, which are important to appreciate if population and environmental problems are to be addressed.|
Functionalism considers population growth and its various components (birth, death, and migration) as normal and essential processes for any society. A society certainly cannot survive if it loses members, but it can thrive only if it grows so that it can meet future challenges. Functionalism also considers pollution and other environmental problems to be an inevitable consequence of today’s society, but it assumes that environmental problems that are too severe are certainly dysfunctional for society.
The reasons for the importance of population growth depend on the type of a society’s economy. For example, agricultural and other nonindustrial societies need high birth rates to counteract their high death rates. Industrial societies have lower death rates, but they still need to be able to hire younger workers as older workers retire, while new industries need to be able to count on hiring enough young workers with the skills and knowledge these industries require. However, population growth that is too rapid and severe can be dysfunctional for a society. Such growth creates crowding and can use up valuable resources such as food, and it can also harm the environment.
As this discussion suggests, functionalism emphasizes how the population and environment affect each other. Population growth leads to certain environmental problems, as we shall see, while environmental problems have important consequences for the populations for whole nations and even the world. At the same time, several industrial nations today actually do not have enough population growth to provide sufficient numbers of younger workers to replace retiring workers and to maintain their tax bases. While too much population growth causes many problems, then, too little population growth also causes problems.
Conflict theory blames many environmental problems on pollution by multinational corporations that occurs because of weak regulations and a failure to enforce the regulations that do exist.
Conflict theory does not consider population growth to be a serious problem. Instead, it assumes that the earth has enough food and other resources to meet the needs of its growing population. To the extent that food shortages and other problems meeting these needs exist, these problems reflect decisions by economic and political elites in poor nations to deprive their peoples of food and other resources; they also reflect operations by multinational corporations that deprive these nations of their natural resources. If population growth is a problem, then, it is a problem not because there is a lack of food and other resources, but rather because these resources are not distributed fairly. To the extent this is true, efforts to satisfy the world’s need for food and other resources should focus on distributing these resources more equitably rather than on limiting population growth.
At the same time, conflict theory recognizes that many poor nations still have population growth that is more than desirable. The theory blames this growth on the failure of these nations’ governments to make contraceptives readily available and to do everything possible to increase women’s education and independence (which both reduce their birth rates).
In regard to a particular population issue we will discuss (immigration), conflict theory emphasizes the role played by racial and ethnic prejudice in popular views on immigration. It generally favors loosening restrictions on immigration into the United States and making it possible for undocumented immigrants to become US citizens if they so desire.
Conflict theory also assumes that the world’s environmental problems are not inevitable and instead arise from two related sources. First, multinational corporations engage in practices that pollute the air, water, and ground. Second, the United States and other governments fail to have strong regulations to limit corporate pollution, and they fail to adequately enforce the regulations they do have.
Symbolic interactionism offers four kinds of understandings of population and environmental problems. First, it seeks to understand why people engage or do not engage in activities related to population growth and other problems (e.g., the use of contraception) and to environmental problems (e.g., recycling). In order to address population growth and environmental problems, it is important to understand why people become involved, or fail to become involved, in various activities related to these problems.
Second, it emphasizes people’s perceptions of population and environmental problems. To the extent that public attitudes play a key role in the persistence of these problems, it is important to know the reasons for public views on these problems so that efforts to address the problems may be better focused.
Next, symbolic interactionism assumes that population and environmental problems are to some extent social constructions (see Chapter 1 "Understanding Social Problems"), as these problems do not come to be considered social problems unless sufficient numbers of people and/or influential organizations in the public and private sectors recognize them as problems. For example, lead was a serious health problem long before the US government banned it in paint in 1977 and in gasoline in 1990. As early as the first few years of the twentieth century, scientists were calling attention to the toxic properties of lead paint and more generally of lead itself. Still, lead was added to gasoline in 1922 to raise octane levels. Despite growing evidence over the next few decades of lead’s toxic qualities, various industries continued to say that lead was safe for the general public (Michaels, 2008).Michaels, D. (2008). Doubt is their product: How industry’s assault on science threatens your health. New York, NY Oxford University Press. The banning of lead was ultimately due to the efforts of environmental groups and to the fact that the growing amount of scientific evidence of lead’s dangers became overwhelming
Finally, symbolic interactionism emphasizes that people from different social backgrounds and from different cultures may have different understandings of population issues and of environmental issues. For example, someone who grows up in a rural area may consider even a small city to be incredibly crowded, while someone who grows up in a large city may consider a small city to be too tiny and lacking in museums, restaurants, and other amenities that large cities offer.