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World Water Forum: Water crisis is looming, countries say

The world's water supply is being strained by climate change and population growth.

A boy fishes with a net in the lagoon in Ganvie, near Cotonou, Benin. Leaders at the World Water Forum in Marseilles warned that radical policy changes need to be made in order to stem a water scarcity crisis.

Dan Kitwood

AFP/Getty Images

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