India is home to many ironing vendors. Irons heated with charcoal are a polluting fuel. Vinisha Umashankar (a 14-year old girl from Tamil Nadu) has found a cleaner solution.
Vinisha's invention was nominated this year for the Earthshot Prize.
Video by Jennifer Green.
Footage from The Earthshot Prize - Repairing Our Planet, available via BBC iPlayer
Listen to Earthshot on Discovery for more information about Vinisha's invention, and other Earthshot Prize nominees.