A Revolutionary Toilet Saves Water, Money, But It Is Ignored

“The good thing about Ecosan toilets is that families are willingly putting their own money in it, which ensures that they will use it too,”

Gutter gas fueled tea boosts chaiwala's livelihood

Can a Chai stall be run with Zero expenditure on Energy?

Treating sewage with plants

biological sewage treatment method based on hydroponics supports saplings of different varieties with their roots reaching into the water

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