This South African river has a bacteria count off the charts : a natural filter is cleaning it for watering food gardens
12 août 2026 | Kevin Winter, Senior Scholar in Environmental & Geographical Science, University of Cape Town
A test case in Franschhoek, South Africa has used natural filtering of polluted water to produce 50,000 litres a day that is safe for irrigation.
Site référencé: The Conversation (Africa)
