South Africa is the African continent's largest greenhouse gas emitter. As the world moves away from fossil fuels, renewable energy fights to forge the future. The tension is palpable among the government, coal producers, workers, and the environment in a post-apartheid South Africa—which faces the pressing developmental challenges of unemployment, poverty and inequality. Tune in Sept. 15 at 8 p.m. to learn more on this week's episode of #EarthFocus. Streaming will also be available on the PBS A