Sello Seitlholo, Deputy Minister of Water and Sanitation engaging with University of KwaZulu-Natal's Leroy Ruphande on the use of faecal sludge to make biochar and the combination of faecal sludge with human urine to make biochar based fertilizer. Biochar is a high-carbon, charcoal-like material produced from biomass through a process called pyrolysis. It is primarily used as a soil amendment to improve soil health, water retention, and nutrient efficiency, but also has applications in environme