Media & Press

At age 9, a girl from New Jersey discovered how much water was being wasted in her home, and by age 11 she had created a moss filter to combat the problem.

3M and Discovery Education announce 37 State Merit Winners and four Honorable Mentions in 2026 3M Young Scientist Challenge

Nithya Tammana, an 11-year-old girl from New Jersey built a youth water-conservation network of more than 450 members; her open-source moss filter is designed to remove up to 95% of lead from school drinking water

Top student ideas win grand prizes in Mott Million Dollar Challenge

2026 Eco-Hero

Meet Nithya Tammana: The 11-year-old New Jersey inventor who built a sub-$38 moss filter that can remove up to 95% of lead from drinking water

How a 10-year-old Indian-origin prodigy is solving the world’s invisible water crisis

This 11-YO Girl Built a Portable Water Purifier Using Sphagnum Moss

Save Drop: A Simple Solution for a Sustainable Shower!

11-Year Old Works to Save Water and Recycle Batteries

Campaigning against water waste since she was 10 years old.

Meet Nithya Tammana

June’s Young Planet Leader - Nithya Tammana