7 Why is rain water harvesting a ‘ray of hope’ for overcoming the present
‘scarcity of water’ in cities?
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Rainwater harvesting is a ray of hope in overcoming the present scarcity of water in cities as the rainwater collected can be put to many uses. Rainwater is pure in nature and devoid of any bad chemicals, it can be a substitute to potable water after further treatment and addition of essential nutrients.
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