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Africa sitting on sea of groundwater reserves

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Published on Apr 20, 2012

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Across Africa an estimated 300 million people do not have access to clean drinking watera safe supply.
 
Now researchers say a new study shows that the volume of water in underground aquifers is 100 times the amount on the surface- and they say better use of those reserves will be crucial as populations increase.
 
The new information could help many African nations try to offset the challenges of climate change- because even in semi-arid areas, groundwater can stay for 70 years.

Al Jazeera's Nadim Baba reports.

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