Sustainable Waste Management: This Gurugram founder collects the hair salons throw away and turns it into water-cleaning mats that trap oil and pollutants from dirty drains; here’s how the unusual idea works

Rahul Gupta’s innnovation turns discarded hair into pollutant trapping mats. (Photos: Instagram/@kesakambali) What happens to the strands of hair swept off the floor after a haircut? For most people, the answer is simple: they go straight into the bin. But in Gurugram, something that is usually treated as salon waste is being given a rather...