Chapter 6: The Human Population and Its Impact
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Section 1: How Do Environmental Scientists Think about Human Population Growth?
Concept 6-1: The continuing rapid growth of the human population and its impacts on natural capital raise questions about how long the human population can keep growing. Section 2: What Factors Influence the Size of the Human Population?
Concept 6-2A: Population size increases through births and immigration, and decreases through deaths and emigration. Concept 6-2B: The average number of children born to the women in a population (total fertility rate) is the key factor that determines population size. |
Section 3: How Does a Population's Age Structure Affect its Growth or Decline?
Concept 6-3: The numbers of males and females in young, middle, and older age groups determine how fast a population grows or declines. Section 4: How Can We Slow Human Population Growth?
Concept 6-4: We can slow human population growth by reducing poverty, elevating the status of women, and encouraging family planning. |
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