Climate vulnerability assessment of South African capital cities using multidimensional indicators

Abstract Climate change is increasing disaster risk, with its effects varying based on local vulnerability levels. It presents a profound threat to both human communities and natural ecosystems, with urgent adaptation policies needed to increase region’s adaptive capacity and resilience to environme...

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Main Authors: Chané de Bruyn, Johann Frederich Kirsten, Marinda Pretorius
Format: Article
Language:English
Published: Springer 2025-08-01
Series:Discover Sustainability
Subjects:
Online Access:https://doi.org/10.1007/s43621-025-01677-w
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author Chané de Bruyn
Johann Frederich Kirsten
Marinda Pretorius
author_facet Chané de Bruyn
Johann Frederich Kirsten
Marinda Pretorius
author_sort Chané de Bruyn
collection DOAJ
description Abstract Climate change is increasing disaster risk, with its effects varying based on local vulnerability levels. It presents a profound threat to both human communities and natural ecosystems, with urgent adaptation policies needed to increase region’s adaptive capacity and resilience to environmental risks. Using principal component analysis, this paper examines local environmental vulnerability in South Africa, through the dimensions of exposure, sensitivity and adaptive capacity. The results reveal the multifaceted nature of vulnerability to climate change across South Africa's major cities. Cities like Bloemfontein, Cape Town, and Johannesburg exhibit high exposure and sensitivity levels, particularly in recent years, compounded by socio-economic challenges and fluctuating adaptive capacity. In contrast, cities like Mbombela and Pietermaritzburg show high adaptive capacity, providing a buffer against environmental risks and reducing overall vulnerability. Overall, the findings highlight the diverse exposure, sensitivity, and adaptive capacities across major South African cities and provide policymakers with insight into developing sustainable solutions that mitigate the risks associated with regional climate change, ultimately fostering a more resilient urban environment across South Africa.
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spelling doaj-art-34239a6e4f0e4eeda8e61f4bdcc8a8e22025-08-20T03:42:19ZengSpringerDiscover Sustainability2662-99842025-08-016112710.1007/s43621-025-01677-wClimate vulnerability assessment of South African capital cities using multidimensional indicatorsChané de Bruyn0Johann Frederich Kirsten1Marinda Pretorius2Centre for Local Economic Development, College of Business and Economics, University of JohannesburgSchool of Economics, College of Business and Economics, University of JohannesburgSchool of Economics, College of Business and Economics, University of JohannesburgAbstract Climate change is increasing disaster risk, with its effects varying based on local vulnerability levels. It presents a profound threat to both human communities and natural ecosystems, with urgent adaptation policies needed to increase region’s adaptive capacity and resilience to environmental risks. Using principal component analysis, this paper examines local environmental vulnerability in South Africa, through the dimensions of exposure, sensitivity and adaptive capacity. The results reveal the multifaceted nature of vulnerability to climate change across South Africa's major cities. Cities like Bloemfontein, Cape Town, and Johannesburg exhibit high exposure and sensitivity levels, particularly in recent years, compounded by socio-economic challenges and fluctuating adaptive capacity. In contrast, cities like Mbombela and Pietermaritzburg show high adaptive capacity, providing a buffer against environmental risks and reducing overall vulnerability. Overall, the findings highlight the diverse exposure, sensitivity, and adaptive capacities across major South African cities and provide policymakers with insight into developing sustainable solutions that mitigate the risks associated with regional climate change, ultimately fostering a more resilient urban environment across South Africa.https://doi.org/10.1007/s43621-025-01677-wClimate changeRegional developmentEnvironmental vulnerabilityAdaptive capacityExposureSensitivity
spellingShingle Chané de Bruyn
Johann Frederich Kirsten
Marinda Pretorius
Climate vulnerability assessment of South African capital cities using multidimensional indicators
Discover Sustainability
Climate change
Regional development
Environmental vulnerability
Adaptive capacity
Exposure
Sensitivity
title Climate vulnerability assessment of South African capital cities using multidimensional indicators
title_full Climate vulnerability assessment of South African capital cities using multidimensional indicators
title_fullStr Climate vulnerability assessment of South African capital cities using multidimensional indicators
title_full_unstemmed Climate vulnerability assessment of South African capital cities using multidimensional indicators
title_short Climate vulnerability assessment of South African capital cities using multidimensional indicators
title_sort climate vulnerability assessment of south african capital cities using multidimensional indicators
topic Climate change
Regional development
Environmental vulnerability
Adaptive capacity
Exposure
Sensitivity
url https://doi.org/10.1007/s43621-025-01677-w
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AT marindapretorius climatevulnerabilityassessmentofsouthafricancapitalcitiesusingmultidimensionalindicators