Ashden Award winners

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  Daxu

  Efficient stoves that use wood or crop residues

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  Kisangani Smith Group

  Blacksmiths develop wood-saving stoves

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  Aprovecho Research Center and ProBEC

  Efficient stoves for institutional cooking

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  GIRA

  Fuel efficient stoves

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  TIDE and Sustaintech

  Wood-saving stoves for small businesses

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  Sistema.bio

  Clean, affordable cooking

News and opinion

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  Humanitarian energy: Ashden warns of 'global scandal'

  Ashden Award longlist reveals four innovators bringing energy to refugees

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