The days of the behemoth nuclear plants may be numbered, King writes. There is a movement to design and build smaller nuclear reactors that are more affordable and flexible.
Oscar Pistorius, the South African runner, was formally charged with the Valentine's Day murder of his girlfriend, Reeva Steenkamp.
Africa has 12 percent of the world's population, but uses only 3 percent of its electricity. Infrastructure is the primary challenge to getting more Africans on the grid.
The shooting of dozens of striking miners shocked the nation, and continues to reverberate through South Africa's labor movement and economy.