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Climate Change Adaptation through the Water-Energy-Food Nexus in Southern Africa

Author

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  • Sylvester Mpandeli

    (Water Research Commission of South Africa, 4 Daventry Street, Lynnwood Manor, Pretoria 0081, South Africa
    School of Environmental Sciences, University of Venda, Private Bag X 5050, Thohoyandou 0950, South Africa)

  • Dhesigen Naidoo

    (Water Research Commission of South Africa, 4 Daventry Street, Lynnwood Manor, Pretoria 0081, South Africa)

  • Tafadzwanashe Mabhaudhi

    (School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, P. Bag X01, Scottsville, Pietermaritzburg 3209, South Africa)

  • Charles Nhemachena

    (International Water Management Institute, Southern Africa (IWMI-SA), 141 Creswell Street, Silverton, Pretoria 0184, South Africa)

  • Luxon Nhamo

    (International Water Management Institute, Southern Africa (IWMI-SA), 141 Creswell Street, Silverton, Pretoria 0184, South Africa)

  • Stanley Liphadzi

    (Water Research Commission of South Africa, 4 Daventry Street, Lynnwood Manor, Pretoria 0081, South Africa)

  • Sithabile Hlahla

    (School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, P. Bag X01, Scottsville, Pietermaritzburg 3209, South Africa)

  • Albert T. Modi

    (School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, P. Bag X01, Scottsville, Pietermaritzburg 3209, South Africa)

Abstract

Climate change is a complex and cross-cutting problem that needs an integrated and transformative systems approach to respond to the challenge. Current sectoral approaches to climate change adaptation initiatives often create imbalances and retard sustainable development. Regional and international literature on climate change adaptation opportunities and challenges applicable to southern Africa from a water-energy-food (WEF) nexus perspective was reviewed. Specifically, this review highlights climate change impacts on water, energy, and food resources in southern Africa, while exploring mitigation and adaptation opportunities. The review further recommends strategies to develop cross-sectoral sustainable measures aimed at building resilient communities. Regional WEF nexus related institutions and legal frameworks were also reviewed to relate the WEF nexus to policy. Southern Africa is witnessing an increased frequency and intensity in climate change-associated extreme weather events, causing water, food, and energy insecurity. A projected reduction of 20% in annual rainfall by 2080 in southern Africa will only increase the regional socio-economic challenges. This is exacerbating regional resource scarcities and vulnerabilities. It will also have direct and indirect impacts on nutrition, human well-being, and health. Reduced agricultural production, lack of access to clean water, sanitation, and clean, sustainable energy are the major areas of concern. The region is already experiencing an upsurge of vector borne diseases (malaria and dengue fever), and water and food-borne diseases (cholera and diarrhoea). What is clear is that climate change impacts are cross-sectoral and multidimensional, and therefore require cross-sectoral mitigation and adaptation approaches. In this regard, a well-coordinated and integrated WEF nexus approach offers opportunities to build resilient systems, harmonise interventions, and mitigate trade-offs and hence improve sustainability. This would be achieved through greater resource mobilisation and coordination, policy convergence across sectors, and targeting nexus points in the landscape. The WEF nexus approach has potential to increase the resilience of marginalised communities in southern Africa by contributing towards attaining the Sustainable Development Goals (SDGs 1, 2, 3, 6, 7, and 13).

Suggested Citation

  • Sylvester Mpandeli & Dhesigen Naidoo & Tafadzwanashe Mabhaudhi & Charles Nhemachena & Luxon Nhamo & Stanley Liphadzi & Sithabile Hlahla & Albert T. Modi, 2018. "Climate Change Adaptation through the Water-Energy-Food Nexus in Southern Africa," IJERPH, MDPI, vol. 15(10), pages 1-19, October.
  • Handle: RePEc:gam:jijerp:v:15:y:2018:i:10:p:2306-:d:177007
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    References listed on IDEAS

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