South Africa’s scarce fresh water is decreasing in quality because of an increase in pollution and the destruction
of river catchments caused by urbanisation, deforestation, damming of rivers, destruction of wetlands, industry, mining, agriculture, energy use and accidental water pollution. As our population increases, there is an increase in pollution and catchment destruction. 更多
Has the future dried up for mining?
The mining industry has not escaped the devastation caused
by El Niño and careful planning is needed to ensure a
Back to the future?
Vetiver grass presents a low-tech, low-cost, highly sustainable
add-on solution to treating wastewater.
How to build a 50Mℓ self-cleaning reservoir
Pre-cast elements are used to build the colossal 15m-high
Mafenya Reservoir in North West Province. We investigate
the unique, 更多