Without biocontrol, Hartbeespoort Dam could be 70% covered in superweed
This was achieved through a partnership involving the Vaal community, Rand Water, Rhodes University’s Centre for Biological Control, the water and sanitation department and the department of forestry, fisheries and the environment
Activists say the deaths of vulnerable people is too high a price to pay for electricity when alternatives are available
The exemption will have a major effect on people’s health, say environmental justice groups