Author:Dube, S; Oluwole, FA; Lesoli, MSDate:Jan 2011The widespread transition of grasslands and savannas to shrub-lands during the last 50-100 years has elicited significant debate concerning the causes of these changes and has given rise to a number of investigations. Often the encroaching ...Read more
Author:Parsons, SDate:Jan 2010Indoor Environmental Health (IEH) is a comprehensive term that includes the effects of quantity of air, light and noise in a space and the physical, physiological and psychological aspects from colours, aesthetics, services, outdoor climate ...Read more
Author:Audouin, Michelle ADate:Jan 2007Unsustainable agricultural practices have had a role to play in the degradation of land on which agriculture depends. South Africa has an international obligation to develop a National Action Programme (NAP), the purpose of which is to identify ...Read more
Author:Wessels, Konrad JDate:2011In South Africa, land degradation in rangelands has been regarded as a major environmental problem for many years. During the last ten years, attention focussed on the land degradation in the former homelands, now communal lands. There is an ...Read more
Author:Grieve, G; Gouws, SDate:Apr 2010During the manufacture of Portland-type cements, significant emissions of carbon dioxide occur, some of which comes from the burning of fuel in the kiln, and the balance from the chemical dissociation of limestone (CaCO3). In South Africa the ...Read more