Unit 21: Population, Urbanization, & Environment

This chapter focuses on population and migration trends, the impact of diversity of life expectancy, theories about population and the earth’s resources, the patterns of urbanization, and current issues related to human ecology and the environment on a global level.


    Read: Chapter 21 Population, Urbanization, and the Environment

    Attend: Population, Urbanization, and the Environment

    age–sex pyramid census cohort; birth cohort
    crude birthrate crude death rate demographic transition theory
    demography emigration immigration
    greenhouse effect human ecology human ecosystem
    infant mortality rate life expectancy Malthusian theory
    population density population replacement level rational choice theory
    infanticide sex ratio thermal pollution
    urbanism vital statistics xenophobia