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Gareth Beresford Simpson

Gareth Beresford Simpson
WSP Australia · Mine Closure

Doctor of Philosophy
Environmental Engineer engaged in mine closure and rehabilitation, WEF nexus and sustainability consulting and research.

About

15
Publications
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524
Citations

Publications

Publications (15)
Technical Report
Full-text available
The water-energy-food (WEF) nexus is gaining recognition internationally as an intersectoral approach to resource management and sustainable development. The Water Research Commission (WRC) of South Africa has identified the WEF nexus as one of its focus “lighthouse” areas of research. This project was part of the WRC’s goal to promote the WEF nexu...
Article
Full-text available
This paper presents a study of the evolution of the water-energy-food (WEF) nexus since its rise to prominence in policy and development discourses in 2011. Drawing from an extensive review of published literature, the paper presents various interpretations of the concept while also considering the novelty of the WEF nexus. The challenge of integra...
Article
Full-text available
There is a need to address resource security and distributional justice in developing countries. People need water, energy, and food to sustain their livelihoods, grow economies, and achieve sustainable development. The interactions between these resource sectors form the crux of water-energy-food (WEF) nexus assessments. In this study, we have uti...
Preprint
Full-text available
There is a need to address resource security and distributional justice in developing countries. People need water, energy, and food to sustain their livelihoods and to achieve sustainable development. The interactions between these resource sectors form the crux of water-energy-food (WEF) nexus assessments. In this study, we have utilised the WEF...
Article
Full-text available
The call for measuring synergies and trade-offs between water, energy, and food is increasing worldwide. This article presents the development and application of a country-level index that has been calculated for 181 nations using open databases. Following an assessment of 87 water-, energy-, and food-related indicators, 21 were selected to constit...
Chapter
The water–energy–food (WEF) nexus is shown to be a highly interconnected, complex system, operating over multiple time scales, and at spatial scales from household to global. The key WEF nexus foci issues and challenges are known to be extremely diverse and change depending on the local situation and setting, the scale at which the nexus is analyze...
Chapter
The water-energy-food (WEF) nexus is a cross-sectoral approach to resource management and sustainable development. We propose a framework for linking the WEF nexus to the Sustainable Development Goals (SDGs), emphasizing SDG 2, 6 and 7. We further propose indices and models to evaluate WEF nexus performance. A systematic analysis of existing WEF ne...
Preprint
Full-text available
The Water-Energy-Food (WEF) nexus has, in the past decade, gained prominence as an approach for assessing integrated resource management. One challenge related to the WEF nexus approach is how to represent and monitor it since a system that includes water-, energy- and food-related parameters is complex. Not only are these resources quantified util...
Article
The Water-Energy-Food (WEF) nexus has emerged as a multi-centric lens for assessing integrated resources management and sustainable development in the past decade. This paper initially reviews the current status of this approach, which has received some critique for being largely conceptual. The call to operationalise the nexus is heralded in many...
Article
Full-text available
The Mpumalanga Province is a key source of South Africa's coal supply with over 60% of the province's surface area either being subject to mining rights or prospecting applications. Mpumalanga also possesses almost half of the country's high potential arable land. While South Africa is currently largely self-sufficient in terms of cereal grains, wh...
Poster
Full-text available
The Mpumalanga Province contains almost half of South Africa’s high potential arable land. Under its grasslands are vast coalfields, which not only play a major role in the generation of this nation’s electricity, but also garner significant revenue through the export of this resource - approximately 25% of the nation’s coal is exported. The majori...
Article
Full-text available
Water-energy nexus Measuring integration – towards a water-energy-food nexus index Water, energy and food are three of the key pillars upon which humanity exists and develops. But these pillars are not independent, as illustrated in Figure 1. Rather, a multitude of connections and trade-offs exist between them. For instance, water is utilised in ag...

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