Methane bubbles popping on the river’s surface, sewage clogged pipes, and the smell of faeces lingering in the air. These scenes are everyday realities for residents of Emfuleni – a municipality southwest of Johannesburg, South Africa – as the breakdown of the area’s pipes, pumps and wastewater treatment plants causes sewage to overflow into one of South Africa’s largest rivers, resulting in water and air contamination. (…)