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Human population growth

Human population growth. Human population growth. In the United States and developed countries, the current growth rate is ________. Human population growth. In the United States and developed countries, the current growth rate is very low. Human population growth.

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Human population growth

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  1. Human population growth

  2. Human population growth • In the United States and developed countries, the current growth rate is ________

  3. Human population growth • In the United States and developed countries, the current growth rate is very low

  4. Human population growth • In the United States and developed countries, the current growth rate is very low • In some developing countries, the human population growth is nearly _______

  5. Human population growth • In the United States and developed countries, the current growth rate is very low • In some developing countries, the human population growth is nearly 3 people per second

  6. Human population growth • In some developing countries, the human population growth is nearly 3 people per second • Because of this, the human population is well on its way to reaching ____________ in your lifetime

  7. Human population growth • In some developing countries, the human population growth is nearly 3 people per second • Because of this, the human population is well on its way to reaching 9 billion in your lifetime

  8. Human population growth

  9. Human population growth • For most of human existence, the population grew ______ Human population growth Industrial Revolution begins Agriculture begins Bubonic plague Plowing And irrigation

  10. Human population growth • For most of human existence, the population grew slowly Human population growth Industrial Revolution begins Agriculture begins Bubonic plague Plowing And irrigation

  11. Human population growth • About 500 years ago, the population began growing more rapidly because life was made easier by advances in _______ , ______ , and _______. Human population growth Industrial Revolution begins Agriculture begins Bubonic plague Plowing And irrigation

  12. Human population growth • About 500 years ago, the population began growing more rapidly because life was made easier by advances in agriculture, industry, and medicine Human population growth Industrial Revolution begins Agriculture begins Bubonic plague Plowing And irrigation

  13. Human population growth • With these advances, the human population experienced ____________ Human population growth Industrial Revolution begins Agriculture begins Bubonic plague Plowing And irrigation

  14. Human population growth • With these advances, the human population experienced exponential growth Human population growth Industrial Revolution begins Agriculture begins Bubonic plague Plowing And irrigation

  15. Human population growth • Human population cannot keep growing exponentially forever because Human population growth Industrial Revolution begins Agriculture begins Bubonic plague Plowing And irrigation

  16. Human population growth • Human population cannot keep growing exponentially forever because Earth and its resources are limited. Human population growth Industrial Revolution begins Agriculture begins Bubonic plague Plowing And irrigation

  17. Human population growth

  18. nonrenewable resources -

  19. nonrenewable resources – resources that are used faster than they are formed. • Examples -

  20. nonrenewable resources – resources that are used faster than they are formed. • Examples – oil, coal, natural gas

  21. renewable resources -

  22. renewable resources – resources that cannot be used up or can be replenished over time faster than they are used up • examples -

  23. renewable resources – resources that cannot be used up or can be replenished over time faster than they are used up • examples – wind energy, solar energy, drinking water, lumber/paper

  24. ecological footprint -

  25. ecological footprint – the amount of land necessary to produce and maintain enough food and water, shelter, energy and waste

  26. ecological footprint – the amount of land necessary to produce and maintain enough food and water, shelter, energy and waste • The size of an ecological footprint depends on a number of factors

  27. ecological footprint – the amount of land necessary to produce and maintain enough food and water, shelter, energy and waste • The size of an ecological footprint depends on a number of factors • amount and efficiency of resource use • Amount and toxicity of waste produced

  28. The average U.S. citizen’s ecological footprint covers an area larger than

  29. The average U.S. citizen’s ecological footprint covers an area larger than 24 football fields.

  30. The average U.S. citizen’s ecological footprint covers an area larger than 24 football fields.

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