
Three 16-year-olds from India, Vivaan Chhawchharia, Ariana Agarwal and Avyana Mehta, have won The Earth Prize 2026, the first Indian team to take the top honour. Their invention, Plas-Stick, is a biodegradable…
Three 16-year-olds from India, Vivaan Chhawchharia, Ariana Agarwal and Avyana Mehta, have won The Earth Prize 2026, the first Indian team to take the top honour. Their invention, Plas-Stick, is a biodegradable powder made from discarded tamarind seeds. When added to water, it binds microplastic particles into clumps that can be collected with a handheld magnet, bypassing the need for electricity or complex filtration.
The project began as a response to the lack of clean drinking water in rural communities. The team tested their idea with support from IIT Guwahati and reached thousands of students and teachers. Their low-cost, infrastructure-free approach won a public vote of about 23,000 people. Further testing is needed before the method can be deployed widely.
The story is inspiring but risks two lazy narratives: that a school project will solve microplastic pollution overnight, or that it is a gimmick with no real use. Neither is fair. Plas-Stick uses an abundant agricultural waste and a clever, low-energy method. That matters for communities where expensive filtration is unaffordable. Yet the invention remains at a development stage. The real test will be whether it can be scaled and validated beyond the lab without losing its simplicity or safety.
Source: timesofindia.indiatimes.com
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