Author:Thambiran, Tirusha; Padayachi, Yerdashin RDate:Dec 2017This chapter provides an overview of the latest developments in air quality management and air pollution trends in South Africa. The critical issues of managing air quality in the context of climate change and risk and vulnerability, are also ...Read more
Author:Strydom, JFSDate:27 Nov 1979The objective of two of the studies was to choose the most economical source of heating energy, taking cognizance of the building owner’s particular circumstances; in both cases a suitable alternative to light petroleum oil, which had been ...Read more
Author:Von Maltitz, Graham P; Brent, ADate:Nov 2008Biofuels have been promoted as an environmentally-sustainable solution to the global energy crisis, and a way to counterbalance global increases in CO2. The reality is more complex; under some circumstances biofuels can be a major environmental ...Read more
Author:Stafford, William HLDate:Aug 2010There is a growing recognition of the carrying capacity of natural systems and how these limits impact economic growth and development. As fossil fuels are being depleted, the era of cheap fossil fuels is ending and societies are more willing ...Read more
Author:Van Straaten, JF; Lotz, FJDate:Oct 1974The need for conserving energy is emphasised. Recommendations are made to ensure the best thermal performance under the relevant climatic conditions. Several construction methods are discussed against a thermal comfort scale for housing.Read more
Author:Archer, Emma RM; Conrad, J; Munch, Z; Opperman, D; Tadross, M; Venter, JDate:Jun 2009Progress in the area of international climate negotiation has been the site of substantively increased activity of late, yet the task of utilizing appropriate spatial scale climate change projections to understand climate change impacts on ...Read more
Author:North, Brian C; Engelbrecht, AD; Hadley, TDDate:Nov 2005It is generally accepted that global warming is a reality, and that anthropogenic CO2 emissions are the cause of the warming. One method to reduce the effective CO2 release from boilers is to replace some of the coal with biomass, as combustion ...Read more
Author:National Building Research InstituteDate:Sep 1981Energy is becoming increasingly expensive. Conservation can offset the increase in energy cost and can therefore be considered a new and can fairly inexpensive source of energy. The following article looks at the ways in which energy savings ...Read more
Author:CSIRDate:Jun 2009Energy is a key economic and environmental driver. South Africa, with a large endowment of coal, has an electricity production system that is highly carbon intensive. It generates two-thirds of Africa's electricity, approximately 90% of which ...Read more
Author:Esser, MJD; Preussler, DR; Bernhardi, EH; Bollig, C; Posewang, MDate:Oct 2009High power operation at 1818 and 1915 nm has been demonstrated from a Tm:GdVO4 laser operating in quasi-continuous-wave mode with a maximum measured power of 8.7Wand a laser output energy of 175 mJ was observed in a 20 ms pulse at 1.9 µm. The ...Read more
Author:Thambiran, Tirusha; Padayachi, Yerdashin RDate:Oct 2017Energy changes, shifting to renewable, could lessen the environmental health problems associated with burning of fossil fuels and biomass fuels. Climate change is likely to have impacts on renewable energy production and distribution in ...Read more
Author:Tazvinga, Henerica; Fore, SDate:Mar 2010This paper looks at an energy performance analysis for a photovoltaic, diesel, and battery hybrid power supply system. The procedure starts by the identification of the hourly load requirements for a typical target consumer and the concept ...Read more
Author:Amigun, BDate:Nov 2009Biofuels are Liquid, solid and gaseous fuel derived from organic matter-biomass-including plant materials and animal waste. This paper is about the state of biofuels in Africa and the initiatives thereof.Read more
Author:Oosthuizen, MA; John, J; Somerset, VernonDate:01 Sep 2010South Africa relies mainly on coal for its energy needs. In addition, the country is one of the main producers of gold. Both coal combustion and gold mining are sources of mercury pollution, contributing to South Africa being one of the leading ...Read more
Author:Van Wyk, Llewellyn VDate:Nov 2010Infrastructure is one of the key foundations of economic growth. South African cities have grown on the back of infrastructure investments like water, energy, transportation and increasingly telecommunications. Ultimately infrastructure ...Read more
Author:Council for Scientific and Industrial Research, CSIRDate:2000This document provides performance-based guidelines for informed decision-making. The purpose is essentially to indicate the qualities that should be sought in South African settlements, and to provide practical guidance on how these qualities ...Read more
Author:Motsatsi, Lorato L; Gibberd, Jeremy TDate:May 2019Human settlements and housing are a part of people’s material living conditions and contribute directly to their life choices. Human settlements that are poorly located, constructed and serviced force households to spend a larger proportion ...Read more
Author:Mapako, MCDate:Apr 2011Biomass fuels dominate the national energy balances of most sub-Saharan African countries, with wood contributing 80-90% of poorer countries like Ethiopia, Tanzania, the Democratic Republic of Congo and Mozambique. The predominant method of ...Read more
Author:Jonker Klunne, WJDate:31 Aug 2010Although small hydropower projects have been implemented in several countries on the continent, information on the current state of affairs is scattered, incomplete and sometimes even inconsistent. To a limited extent information is available ...Read more