South Africa’s Stiebeuel River was heavily polluted by sewage; researchers now use stones, sand and biochar to treat 50,000 litres of its water every day
The Stiebeuel River in Franschhoek, South Africa, about 75 kilometres east of Cape Town, has become heavily polluted by sewage and contaminated runoff from the nearby informal settlement of Langrug, where inadequate sanitation has allowed waste to enter the river. E. coli concentrations have been measured at more than 400,000…
The Times of India ·
The Economic Times
The Times of India
