Zambia is seeing its worst electricity blackouts in memory due to a severe drought. It has left the critical Kariba dam without enough water to run its hydroelectric turbines. Kariba is the largest man-made lake in the world by volume and lies 200 kilometres south of Zambia’s capital Lusaka, on the border with Zimbabwe. The massive dam wall was built in the 1950s when more than 80 workers died during construction. It was meant to revolutionise the countries’ energy supplies by trapping the water of the Zambezi River, turning a valley into a huge lake and providing an endless supply of renewabl…
