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Human population size, environment, and health 

Human population size, environment, and health
Human population size, environment, and health

A.J. McMichael

and J.W. Powles


November 30, 2011: This chapter has been re-evaluated and remains up-to-date. No changes have been necessary.

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date: 19 September 2021

The number of people has increased in a series of steps by around five orders of magnitude over the past 100 000 years as geographical dispersal and cultural changes expanded access to food and other resources. The last 10-fold increase has occurred in just over two centuries....

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