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Population. Michael Itagaki Sociology 101, Introduction to Sociology. Population. Demography Studies the size, composition, growth and distribution of human populations Relationship between population and the environment. Population. Thomas Malthus (1798)

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population
Population

Michael Itagaki

Sociology 101, Introduction to Sociology

population1
Population
  • Demography
    • Studies the size, composition, growth

and distribution of human populations

    • Relationship between population

and the environment

population2
Population
  • Thomas Malthus (1798)
    • An Essay on the Principle of Population
    • Population grows exponentially

2 to 4 to 8 to 16… = 2x

    • Food supply increases arithmetically

1 to 2 to 3 to 4… = x+1

population3
Population
  • Thomas Malthus (1798)
    • Exponential growth: Penny example
    • 1 day, 1 cent; 2 days, 2 cents; 3 days, 4 cents
    • One week = $ 1.28
    • Two weeks = $ 163.84
    • Three weeks = $ 20,971.52
    • Four weeks = $2,684,354.56
population4
Population
  • New Malthusians
    • Exponential population growth curve
slide6
Figure 13.1 (p. 424)World Population: The Exponential Growth CurveSources: Piotrow 1973: 4; Haub 1995, 2004.
population5
Population
  • New Malthusians
    • Exponential population growth curve
    • Population will outgrow food supply
  • Anti-Malthusians
    • Exponential population growth curve

is wrong

    • People adapt to the environment
population6
Population
  • Anti-Malthusians
    • Rational planning for having children
    • Increased food production
      • Technology/Agriculture
    • Ex.: Europe’s demographic transition
slide10
Figure 13.1 (p. 424)World Population: The Exponential Growth CurveSources: Piotrow 1973: 4; Haub 1995, 2004.
population7
Population
  • Anti-Malthusians
    • Growth is slowing down
    • Demographic transition for rest of world
theoretical views on population growth
Theoretical Views on Population Growth
  • New-Malthusians
    • Population growth = not enough food
    • Solution: limit population
  • Anti-Malthusians
    • More food available now than ever
    • Solution: Redistribution of food

(political barriers)

symbolic interactionism
Symbolic Interactionism
  • Why do the poor want so many children?
    • Asset to the family
    • Taking the role of the other
slide14

Figure 13.6 (p. 432)Why the Poor in the Least Industrialized Nations Want Many ChildrenBased on a survey in Indonesia, this figure shows how children are economic assets in the Least Industrialized Nations. Boys and girls can be net income earners for their families by the age of 9 or 10.Source: U.N. Fund for Population Activities.

functionalism
Functionalism
  • War, famine, disease are functional to society
    • Latent dysfunctions
      • Modern medicine
      • Public health practices
slide17

Figure 13.7 (p. 433)Population Pyramids of Mexico and the United StatesSource: By the author. Computed from the U.S. Bureau of the Census, International Data Base, Table 94.

finals week reminders
Finals Week reminders
  • Final exam
    • Thursday, May 24, 1 p.m, Room 127
  • No makeups
    • Everyone must take final to pass
  • Extra Credit due Tuesday, May 15
social change
Social Change
  • A shift in the characteristics of culture and society
    • Hunt/gather  Horticultural
    • Plow  Agricultural societies
    • Steam engine  Industrial Revolution
    • Microchip  Post-industrial/Information
social change the environment
Social Change: The Environment

Michael Itagaki

Sociology 101, Introduction to Sociology

the environment global warming climate change
The Environment: Global Warming/Climate Change
  • “An Inconvenient Truth”
    • Rising carbon dioxide levels
    • Correspond with rising temperatures
    • Ramifications?
      • Water: stronger storms/drought
      • Artic/Greenland: sea level
      • Climate: ecological niches
the environment global warming
The Environment: Global Warming
  • “An Inconvenient Truth”
    • Handout: 10 things to do
    • We have technology/resources to

reduce our CO2 output and thus

slow global warming process.

the environment global warming1
The Environment: Global Warming
  • “An Inconvenient Truth”
    • What was a surprising/shocking

fact in the film?

    • What can we do?
the environment global warming2
The Environment: Global Warming
  • “An Inconvenient Truth”
    • Intergovernmental Panel on Climate Change
      • Increase in temperatures caused by greenhouse gases
      • Temperature and sea levels will rise regardless
      • Sea levels will likely rise 7”-23”
the environment global warming3
The Environment: Global Warming
  • “An Inconvenient Truth”
    • Caveats to consider
      • CO2 influence temperature?
      • Temperature influence CO2 ?
      • Both
the environment global warming4
The Environment: Global Warming
  • “An Inconvenient Truth”
    • So what do you want to do?
    • Informed decisions
    • Do you believe you can make a difference?
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