11/04/2021
Vinisha Umashankar came up with the idea of solar power instead of charcoal to heat street irons. "Iron-Max" was a finalist for Prince William's Earthshot Prize, and this week, she spoke at COP26.
Vinisha Umashankar was returning to her home in southern India from school a few years ago when she saw a man throwing away burnt charcoal on the side of the street.