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Browsing by Author "Van Wyk, L"

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  • Van Wyk, Llewellyn V; Chege, L (2004-11)
    A defining characteristic of globalisation is the ease of trade. This characteristic has exposed a high degree of diversity and inconsistency in global business practices. As these inconsistencies increase risk, investors ...
  • Van Wyk, Llewellyn V; Chege, L (2004-11)
    A defining characteristic of globalisation is the ease of trade. This characteristic has exposed a high degree of diversity and inconsistency in global business practices. As these inconsistencies increase risk, investors ...
  • Van Wyk, Llewellyn V (2012-10)
    In this presentation the author outlines how innovative and alternative building technologies can be used to support the transition towards a low-carbon economy.
  • Van Wyk, Llewellyn V (Alive2green, 2010-04)
    Green roofs are roofs that have been covered with a growing medium, creating a habitat on what would otherwise be a bland, lifeless surface. It is for this reason that green roofs are sometimes call 'vegetated' or 'living' ...
  • Van Wyk, Llewellyn V (Alive2green, 2014-03)
    Green infrastructure can be defined as the design and development of infrastructure that works with natural systems in the performance of its functions. Green infrastructure recognises the importance of the natural environment ...
  • Van Wyk, Llewellyn V (Alive2Green, 2014-10)
    The development and maintenance of infrastructure is crucial to improving economic growth and quality of life (WEF 2013). Urban infrastructure typically includes bulk services such as water, sanitation and energy (typically ...
  • Van Wyk, Llewellyn V (2012-07)
    Government adopted A National Framework for Green Building in South Africa (NFGBSA) in November 2011 as its official policy toward green building. The NFGBSA assists Government in meeting its sustainable development ...
  • Van Wyk, Llewellyn V (Alive2green, 2010-08)
    By recognising the specific environmental challenges facing South Africa, mindful of the government‘s commitment to reducing South Africa‘s Greenhouse gas emissions, and acknowledging the need to build social cohesion, the ...
  • Van Wyk, Llewellyn V (Alive2green, 2013-01)
    In its experimental work on research and development of innovative technologies for low income housing on the Innovation Site on the CSIR campus in Pretoria, the Building Science and Technology (BST) competence area ...
  • Van Wyk, Llewellyn V; Kistan, Kenny F (2007-10)
    The CSIR was approached by the Department of Science and Technology (DST) to make recommendations with regard to alternative technologies that would contribute to achieving sustainable development imperatives in a subsidised ...
  • Van Wyk, Llewellyn V (Alive2green Publishers, 2010-04)
    Sub-structure generally refers to those components of the building that are constructed below ground, although there are circumstances when sub-structure can also include components above ground such as supporting columns ...
  • Van Wyk, Llewellyn V (Alive2green Publishers, 2010-04)
    Ecological building is building in a manner that integrates the ecological, cultural, economic and political elements of social-ecological systems in an effort to define sustainability in a rapidly changing world. Ecological ...
  • Van Wyk, Llewellyn V; Mapiravana, Joseph; Ampofo-Anti, N (RSC, 2012-01)
    Most buildings up to the early nineteenth century, with the notable exception of prestigious public buildings, were constructed from easily available local materials. In the nineteenth century, developments in transport ...
  • Van Wyk, Llewellyn V (Alive2green, 2014-03)
    Waste is defined in the National Environment Management: Waste Act as: “Any substance, whether or not that substance can be reduced, re-used, recycled and recovered – a) That is surplus, unwanted, rejected, discarded, ...
  • Van Wyk, Llewellyn V (alive2green Publishers, 2011-01)
    The built environment is the stage upon which we live out our daily lives: the built environment comprises urban design, land use, and the transportation system, and the patterns of human activity within this physical ...
  • Water 
    Van Wyk, Llewellyn V (Alive2green Publishers, 2010-08)
    Water scarcity is without a doubt on of the greatest threats to the human species and has all the potential to destabilise world peace. Falling water tables are a new phenomenon. Up until the development of steam and ...
  • Van Wyk, Llewellyn V (Alive2Green, 2014-10)
    The potential impact of climate change and global warming is without doubt one of the most life-threatening challenges that face humanity. Central to this challenge is our dependence on fossil fuels as the primary source ...