Desalination Drops to drink A technique called electrodialysis may provide a cheaper way to freshen seawater for human consumption SINGAPORE'S average annual rainfall is more than double that of notoriously soggy Britain, so the casual observer might be surprised to learn that the place has a shortage of drinking water. Yet with around 7,000 people per square kilometre, Singapore is the third most densely populated country in the world. Its land mass is not large enough to supply its 5m inhabitants with water. See full article Sent from The Economist on iPad See our digital and mobile products
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