Energy from rubbish to power Addis Ababa

Rapidly increasing urbanisation in Africa means two things: more waste and greater demand for electricity. In Ethiopia's capital, Addis Ababa, a new waste-to-energy plant is set to tackle both problems at the same time, by helping to dispose of three-quarters of the city's rubbish while generating enough electricity to power a third of the city.

The BBC's Emmanuel Igunza reports.