Bonus, “an extremely long time lapse of earth, over years and years, just to see civilization expanding.”
A Graphic Simulation of the History of Human Population
The actual time lapse starts at 2:10
http://www.youtube.com/watch?v=ozDskXxmdDI“A timeline for the growth of the human species in the past 2,000 years.”
Average annual rainfall:
A map that combines rainfall and population is instructive:
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