Khi Solar One is Africa's first concentrated solar power plant. Situated outside of Upington in the Northern Cape, the 140-hectare plant will produce 50 megawatts of power by using 4 200 concave mirrors to reflect and concentratea large area of sunlight onto a small area on a 205 metre tower.
Seafood is popular on many menus, but over-fishing is costing the oceans dearly. Aquaculture is one answer, with fish farmed for consumption in protected environments. In South Africa, the industry is in its infancy, but companies are farming fish that are green-listed on the Southern African Sustainable Seafood Initiative.