Costing the Earth - Electrifying Africa: The Power Beneath - ÃÛÑ¿´«Ã½ Sounds

Costing the Earth - Electrifying Africa: The Power Beneath - ÃÛÑ¿´«Ã½ Sounds


Electrifying Africa: The Power Beneath

A geothermal revolution is set to electrify Africa. Tom Heap visits Kenya's Rift Valley.

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