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Environmental Science

What is the approximate current human global population? How many people are being added to the population each day?

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read chapter 6 and answer the questions below:
1. What is the approximate current human global population? How many people are being added to the population each day?
2. Why has the human population continued to grow despite
environmental limitations? Give one example of an innovation that increased the carrying capacity for humans. 3. Contrast the views of environmental scientists with those
of economists regarding whether population growth is a
problem. Name several reasons why population growth
is viewed as a problem. 4. Explain the IPAT model. How can technology increase
environmental impact? Provide at least one example.
How can technology decrease environmental impact?
Provide at least one example. 5. How do the size, density, distribution, age structure, and
sex ratio of a population help determine the impact of
human populations on the environment?
6. What is the total fertility rate (TFR)? Why is the replacement fertility for humans approximately 2.1? How is
Europe’s TFR affecting its rate of natural increase?
7. Why have fertility rates fallen in many countries? 8. How does the demographic transition model explain the
increase in population growth rates in recent centuries?
How does it explain the recent decrease in population
growth rates in many countries? 9. Why are the empowerment of women and the pursuit of
gender equality viewed as important to controlling population growth? Describe the aim of family-planning programs. 10. Why do poorer societies have higher population growth
rates than wealthier societies? How does poverty affect the
environment? How does affluence affect the environment?

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