Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The future is a zero-carbon building sector: Perspectives from Durban, South Africa
The built environment is a critical part of the climate change problem in cities, and urban buildings can act as a scaled response to mitigating anthropogenic climate change. Buildings last for well beyond a hundred years and thus have the potential to provide cities with a healthier and safer environment for urban dwellers well into the future. The role of the building sector toward reducing greenhouse gas (GHG) emissions is now better understood, and has resulted in various initiatives globally to move toward being a net-zero carbon sector. The objective of this study was to provide an assessment of the costs in achieving the emissions-reduction potential for each high-emitting sector in the eThekwini Municipality (KwaZulu-Natal, South Africa) through the determination of a marginal abatement cost curve (MACC). The MACC was developed for 2030, 2040, and 2050 across key sectors and aligned with the approach used by the eThekwini Municipality by employing the GHG Protocol’s BASIC level of reporting that excludes the Agriculture, Forestry, and Other Land-use (AFLOU) and Industrial Processes and Product Use (IPPU) sectors. We found that the building sector offers the lowest cost to mitigate each tonne of GHGs when compared to other sectors in the eThekwini Municipality. Several interventions within the building sector further display positive payback periods throughout its life cycle. The MACC produced in this study is the first of its kind for any municipality in South Africa and will provide insights into the net cost of interventions that would mitigate a tonne of carbon emissions. Significance: The MACC produced in this study is the first of its kind for any municipality in South Africa. Developing a MACC adds to an important basket of factors that need to be considered when planning for future climates in cities and is of benefit in prioritising actions in addressing climate change. The MACC in this study demonstrates that energy efficiency interventions in the building sector offer substantial mitigation ...
The future is a zero-carbon building sector: Perspectives from Durban, South Africa
The built environment is a critical part of the climate change problem in cities, and urban buildings can act as a scaled response to mitigating anthropogenic climate change. Buildings last for well beyond a hundred years and thus have the potential to provide cities with a healthier and safer environment for urban dwellers well into the future. The role of the building sector toward reducing greenhouse gas (GHG) emissions is now better understood, and has resulted in various initiatives globally to move toward being a net-zero carbon sector. The objective of this study was to provide an assessment of the costs in achieving the emissions-reduction potential for each high-emitting sector in the eThekwini Municipality (KwaZulu-Natal, South Africa) through the determination of a marginal abatement cost curve (MACC). The MACC was developed for 2030, 2040, and 2050 across key sectors and aligned with the approach used by the eThekwini Municipality by employing the GHG Protocol’s BASIC level of reporting that excludes the Agriculture, Forestry, and Other Land-use (AFLOU) and Industrial Processes and Product Use (IPPU) sectors. We found that the building sector offers the lowest cost to mitigate each tonne of GHGs when compared to other sectors in the eThekwini Municipality. Several interventions within the building sector further display positive payback periods throughout its life cycle. The MACC produced in this study is the first of its kind for any municipality in South Africa and will provide insights into the net cost of interventions that would mitigate a tonne of carbon emissions. Significance: The MACC produced in this study is the first of its kind for any municipality in South Africa. Developing a MACC adds to an important basket of factors that need to be considered when planning for future climates in cities and is of benefit in prioritising actions in addressing climate change. The MACC in this study demonstrates that energy efficiency interventions in the building sector offer substantial mitigation ...
The future is a zero-carbon building sector: Perspectives from Durban, South Africa
Elias , Naseema (Autor:in) / Thambiran, Tirusha (Autor:in)
29.09.2022
South African Journal of Science; Vol. 118 No. 9-10 (2022); 61-68 ; 1996-7489 ; 0038-2353
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
DDC:
720
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