sábado, 23 de marzo de 2013

Blog: World Population growth

What's population growth?

Population growth is the change in a population over time, and can be quantified as the change in the number of individuals of any species in a population using "per unit time" for measurement. In biology, the term population growth is likely to refer to any known organism, but this article deals mostly with the application of the term to human populations in demography.


That video talk about the growth of the world population.
This growth depends on scarce resources (water, food ...). The video shows how the world population grew from 2000B.D to 2030A.D, influenced by the Industrial Revolution (1978), Modern Medicine (1990) and the Information Age (2000). Growth slowed mainly by the Black Plague of 1913.





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