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Malthusianism

Malthusianism. Checks on Population Growth. Background. 1800 – Industrialization in Europe and agricultural modernization brought people to cities. Early theorists worried about population growth. Thomas Robert Malthus. Population grows geometrically (2X each generation)

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Malthusianism

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  1. Malthusianism Checks on Population Growth

  2. Background • 1800 – Industrialization in Europe and agricultural modernization brought people to cities. Early theorists worried about population growth.

  3. Thomas Robert Malthus • Population grows geometrically (2X each generation) • Food supplies grow arithmetically • Surplus people will die!

  4. Malthusian Checks on Pop Growth • Famine • Disease or plague • Riots • Looting • Government overthrow • War • Pollution

  5. Ireland: 1750-1850 • Ireland’s population increased very rapidly as the marriage age decreased, the food supplies increased (more potatoes), and smallpox vaccines were distributed • 1767 2 500 000 people1804 5 400 0001841 8 100 000

  6. The potato blight destroyed crops in 1845, 1846, and 1848. • Death and emigration resulted in a loss of 1500 000 in one 10-year period. • Ireland’s present population is about half of its earlier value, or 3 9700 00 in 2004.

  7. Will Malthus be right? • Time, 1999 Nov. 8, Niles Eldredge

  8. Cassandra • Daughter of Priam, King of Troy, and gifted with prophecy • Spurned Apollo, so cursed that no one would believe her • Tried to tell Trojans of soldiers hidden in horse, but …

  9. Pollyana • 1912 book by Eleanor Porter, later a Disney movie • Pollyana chose to be optimistic about the world around her despite much suffering

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