Ironing vendors are common across India. The irons are heated using charcoal, a fuel that contributes to air pollution. But Vinisha Umashankar, a 14-year-old girl from Tamil Nadu, has found a clean solution.
Vinisha’s invention has been nominated for this year’s Earthshot Prize.
Video by Jennifer Green.
Footage from The Earthshot Prize: Repairing Our Planet, available on BBC iPlayer.
For more about Vinisha’s invention and the other Earthshot Prize nominees, listen to Earthshot on Discovery.