LIVE: Why the ecosystems in dams around S Africa are dying – the canary – water hyacinth on Harties

I visited Hartebeestpoort dam in March this year and saw first hand the devastation the water hyacinth weed is causing to the dam and its natural ecosystem. Tonight I am joined by and expert in this area – Rodney Genricks.
Rodney’s email: info@brspecialists.co.za