Unit 2: people and the planet

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  • Created by: jody
  • Created on: 02-06-12 18:43


  • Rate of population growth is expected to slow down.
  • Population change is produced by natural change and migration change.
  • Natural change depends on birth and death rate - More births than deaths means population increase and vice versa.
  • Migration is movement of people into and out of an area or country. if immigrants exceed emmigrants, population increases.
  • Change in otal global population results only form natural change as migration just alters the distribution, not numbers of people on the planet.


  • modern medicines
  • vaccines
  • better healthcare - more doctors
  • more hygienic housing
  • cleaner drinking water
  • better sewage disposal
  • better diets
  • lower infant mortality

Global population is increasing but distribution across the planet is changing.



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