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
- From the section Science & Environment