An inexpensive water purifier aimed at households that may not have electricity took this year's top prize in The Wall Street Journal's Asian Innovation Awards. -WSJ
The key to winning the prize was to break with conventional way. As WSJ mentioned above, it does not need electricity.
Tata Chemicals Ltd.'s filter, called Swach, the Hindi word for "clean," won the Gold award. It uses natural components such as rice-husk ash, a byproduct of polishing rice, and attaches to a water-storage unit to purify water. When its filtration capabilities are exhausted, it prevents water from passing through, a safety measure designed to keep unsafe water from being accidentally consumed.
Isn't it awesome? I think it is really cool. This is what green techknology(greentech or environmental tech) is.
Why did they invent this kind of really awesome water purifyer?
"We are privileged to be working in this space," Sabaleel Nandy, head of the company's water-purifier business, said. "The demand in India is very huge. There are over 250 million households, and we would like to make sure that they have a purifier that will save them from waterborne diseases."
They make me remind a message.
"We can change the world."
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