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Solar power 'could become world's biggest source of electricity'

The Sun could become the world's biggest source of electricity by the middle of this century - a bold prediction from the respected International Energy Association in Paris.

Their report offers hope to the half a billion people across Africa who are without electricity.

The continent is desperately searching for energy, and giant solar farms are being built.

Ed Thomas reports from Kenya

  • 18 Feb 2015
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