Thirsty Delhites have used up so much ground water in the last ten years that in several parts of the city the water table has declined by 4 to 10 metres according to the Central Ground Water Board. Maybe they should...
People of a village in dry mountainous regions of northern Chile have devised a unique way to collect drinking water from the clouds.
Fine nylon nets with very small holes capture droplets of water when the clouds reach them and channel it through plastic pipes for storing. Ingenious!
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