Of course, it’s possible to find technological fixes to ensure there’s enough water in barren places in countries such as India. But what about using what’s already there? That’s the idea behind collecting precipitation in rain barrels. This form of “rain harvesting” could result in significant saving for many people. An analysis of precipitation data collected by a NASA satellite shows it’s possible to provide at least 20 percent of average indoor water demand or irrigate a household vegetable garden. It also saves money: anywhere between around 40 and 70 dollar, or half a year’s rent in an average 1-bedroom apartment in an Indian city.
Harvesting rain could result in significant saving for many poor people
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