National Public Radio: Is renewable energy expensive or cheap? This question is central to the debates in Paris over how to address climate change. Though the conundrum has no simple answer, in South Africa the verdict is in. And it's a surprising one.
Renewable energy arrived in South Africa as a green luxury. But this year, wind and solar farms turned out to be economy-saving necessities.
From November of last year until August, the nation was beset with rolling blackouts that crippled businesses and left homeowners...