Millions of people around the world have been glued to TV sets these past couple of weeks following the soccer World Cup. For audiences in host-nation South Africa, the most common venue is their home. Low-cost housing has boomed since the end of apartheid – thanks to social housing programmes – unfortunately many constructions of have been of poor quality. They're causing health and environmental hazards, which are affecting the nation's poorest, hardest. A partnership program between Germans and South Africans aims to changes this. It's called Enerkey.

Report: Richard Fuchs