Energy-stricken South Africa weighs need to save climate and keep lights on

While South Africa is adopting more renewable energy tech, huge energy demand is forcing the country to depend on "dirty" energy from coal. — REUTERS

When you fly into Johannesburg, solar panels seem to gleam everywhere, from the roofs of mansions and small township homes alike.

But those glittering 21st-century panels mask South Africa's dependence on a dirty 19th-century energy source: coal.