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Indian teenagers win 2026 Earth Prize for tamarind-based microplastics filter
Three Indian teenagers created a filter called Plas-stick that uses tamarind to remove microplastics from water. The project won the 2026 Earth Prize, an annual environmental competition for participants aged 13 to 19.
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The project, named Plas-stick, took first place in the competition, which CNN described as the world's largest environmental contest for 13- to 19-year-olds.
Project details Ariana Agarwal, one of the three creators, discussed the filter in an interview with CNN's Lynda Kinkade. The device combines tamarind extract with other materials to attract and trap microplastic particles. The competition received entries from teenagers around the world focused on environmental solutions.
Competition background The Earth Prize is awarded annually.
CNN reported the 2026 winner on June 16, 2026. No additional technical specifications or deployment plans were included in the coverage.
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