The Hartbeespoort dam in South Africa used to be brimming with people enjoying scenic landscapes and recreational water sports. Now, the visitors are greeted to the sight of boats stuck in a sea of invasive green water hyacinth weed. The spike in Harties – as Hartbeespoort is known – can be https://www.engineeringnews.co.za/article/south-african-scientists-use-bugs-in-war-against-water-hyacinth-weed-2023-03-01