15-year-old Tamil Nadu boy invented technology that would extend life of banana leaves from 3 days to 3 years for just 70 paise. His innovation saves 7 billion trees annually

At an age when most of his peers were busy playing video games, one youngster from Tamil Nadu noticed how banana leaves, one of the most invaluable ingredients for making biodegradable, eco-friendly utensils, discovered a technology which could extend the life of these utensils for upto three years. The processing of one leaf costs less than one Indian rupee.

Raccontata daeconomictimes.indiatimes.com