Zabeer Zarif Akhter, a 17-year-old Bangladeshi student from St. Joseph Higher Secondary School, has secured the national title in the Stockholm Junior Water Prize competition. His water purification system, crafted from recycled electronic waste, aims to tackle water pollution and waterborne diseases while promoting environmental responsibility.

Companies never tire of boasting about their products, and consumers are easily enticed. But in the case of water purifiers and filters,