Increasing the efficiency of water use and distribution is one of the most effective approaches to combating water stress. Drip irrigation is an example of a technological solution that saves water for crops by dripping water slowly to the roots of plants through a network of small pipes. Where traditional canal infrastructure is in place, water losses can be significantly reduced by lining the drain-ways with an impermeable barrier. Various programmes for managing the operation and use of underground water supplies have also proven to function in highly arid environments such as Mauritania.
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