Author:Jonker Klunne, WDate:Oct 2012Hydropower is currently the most common source of renewable energy, accounting for more than 3,400 terawatts, or about 16 percent of global electricity production, in 2010. As hydropower uses a fuel—water from the hydrologic cycle—that is not ...Read more
Author:Gitari, MW; Petrik, LF; Musyoka, Nicholas MDate:Aug 2016South African coal combustion power utilities generate huge amounts of coal fly ash that can be beneficiated into zeolitic products. This chapter reports on the optimization of the presynthesis and synthesis conditions for a pure-phase zeolite ...Read more
Author:Ampofo-Anti, NDate:Jan 2010The environmental rating and certification of products is a voluntary, market-based response by industry and business to the consumer’s perceptions of the importance of the environment. On the one hand, environmental product certification ...Read more
Author:Marais, Mario ADate:Feb 2015Sustainability is a systems concept, and ICT4D plays a vital role in a sustainable earth, as well as in sustainable communities. The concept of resilience is introduced since rapid change can push a system into another, possibly undesirable ...Read more
Author:Tawona, N; Sithole, Bishop B; Parkin, JDate:2018The suitability of different technology solutions for the beneficiation of biowaste is dependent on the physical and chemical properties of the specific waste stream. This research was undertaken as part of the EU FP7 funded Biowaste4SP ...Read more
Author:Barros, EDate:2013Mycotoxins are secondary metabolites produced by fungi; they can play a role as food contaminants and have the ability to negatively influence human and animal health. To improve food safety and to protect consumers from harmful contaminants, ...Read more
Author:Iyawa, G; Botha, Adèle; Herselman, Martha EDate:Dec 2016This chapter provides an overview of the specific terms to be considered when referring to a DHIE, as well as the rise of preventive measures to ensure a focus on wellness. Elements that constitute a DHIE will be discussed based on a literature ...Read more
Author:Ribbens, H; Everitt, P; Noah, MDate:2008In South African, as is the case in most other developing countries, a significant proportion of the population walk or cycle on a daily basis to their places of work and to other destinations. Road accident casualties (fatalities and injuries) ...Read more
Author:Wessels, Konrad J; Dwyer, PCDate:2011The El Niño Southern Oscillation (ENSO) is a global coupled ocean-atmosphere phenomenon that is a primary driver of inter-annual variability in the rainfall and consequently the vegetation production of southern African rangelands. Evidence ...Read more
Author:Morajane, D; Ray, Suprakas S; Sinha Roy, Jayita; Ojijo, Vincent ODate:Feb 2018Processing conditions (e.g., temperature profile, feed point, screw speed, feed rate, and screw element configuration) and how nanocomposites are prepared in the extruder have a vital effect on the dispersion of nanoclay. The resultant ...Read more
Author:Milazi, DBK; Bischof-Niemz, STDate:Jun 2016Outside of these critical elements, several other factors exist that have a bearing on the bankability of a utility scale renewable energy project. Among the most important of these are the financial risks that respective parties are exposed ...Read more
Author:Ahmed, MT; Louty, NM; Osman, MAM; Godfrey, Linda KDate:Jun 2018This chapter focuses on the impacts of poorly managed waste on human health and the environment in African countries. It brings major flaws in waste management practices to the fore, including uncontrolled dumping and open burning, the most ...Read more
Author:Genthe, Bettina; Maherry, Ashton; Steyn, Maronel; Rother, A; London, LDate:Nov 2016This chapter of the Scientific Assessment focused on potential health impacts of four different shale gas development (SGD) scenarios. The scope of the study is to assess potential human health risks in the study area. International experience ...Read morecb
Author:Oelofse, Suzanna HH; Schoonraad, J; Baldwin, DDate:Nov 2016It is reported that “problems related to mining waste, may be rated as second only to global warming and stratospheric ozone depletion in terms of ecological risk” (European Environmental Bureau (EEB), 2000). The potential impacts of waste ...Read morecb
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:Ndaba, N; Pillay, AW; Ezugwu, AEDate:Jul 2018This paper proposes an improved Generalized Regression Neural Network (KGRNN) for the diagnosis of type II diabetes. Diabetes, a widespread chronic disease, is a metabolic disorder that develops when the body does not make enough insulin or ...Read more