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OPINION

Waste to potable water - S'pore's solution to world's water problems

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Incredibly, Singapore collects every drop of its sewage and turns much of it into drinking water again.

ON this World Water Day, it is a sad fact that a large swathe of humanity continues to be thirsty.

Number six of the United Nation's 17 sustainable development goals (SDG) calls for ensuring the "availability and sustainable management of water and sanitation for all". When we consider...

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