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Ironing suppliers are common all over India. The irons are heated with charcoal, a fuel that contributes to air pollution. But Vinisha Umashankar, a 14-year-old girl from Tamil Nadu, found a clean solution.

Vinisha’s invention was nominated for this year’s Earthshot Award.

Video by Jennifer Green.

Images from Silverback Films.

To learn more about the invention of Vinisha and the other Earthshot Prize nominees, tune in to Earthshot on Discovery and watch The Earthshot Prize: Repairing Our Planet on BBC iPlayer.