Africa's Population Crosses One Billion Mark

Sometime in late 2009, Africa's population crossed the one billion mark. With demographic projections indicating that Africa's population will double over the next 40 years, there is growing debate about Africa's future.  The Food and Agriculture Organization warns that food production in the developing world, including much of sub-Saharan Africa will have to double to keep up with the rising demand for food.  Climate change, however, poses a severe challenge.

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http://www.guardian.co.uk/world/2009/dec/28/billionth-african-future