South Africans using too much water: experts

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There could be a shortage of clean water if South Africans do not work to conserve it.

JOHANNESBURG - African economies lose up to 25 percent of Gross Domestic Product to floods and droughts every year.

At the same time, 35 percent of people on the continent don&39;t have access to clean drinking water.

The Institute for Security Studies says research shows South Africa is exploiting its water resources -- with devastating effects.

And over the next 20 years, that consumption will increase substantially as the population grows.

Although government has proposed interventions to increase supplies and reduce demand -- it&39;s just not enough.

* Watch the full video report by John Bailey in the gallery above.