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Mitigating climate change in city of Tshwane

Figure 7. AnyLogic model depicting the scenario without policy implementation
Abbreviations: GDP: Gross Domestic Product; GHG: Greenhouse gas; SW: Surface water.

Figure 8. AnyLogic model depicting the scenario with policy implementation
Abbreviations: GDP: Gross domestic product; GHG: Greenhouse gas; SW: Surface water.

reducing approximation errors, while the SD model These actions align with the National Climate Change
ran continuously. Overall, the combined DES and SD Response Policy, which emphasizes both adaptation
model required a total simulation time of 5.05 minutes. and mitigation strategies over short-, medium-, and
The models simulated the temporal and spatial long-term horizons to support the transition to a low-
application of the climate change policy under two carbon economy. This policy encompasses carbon
scenarios: Without policy implementation (Figure 7) taxation, smart agriculture, renewable energy initiatives,
and with policy implementation (Figure 8). integrated resource plans, and the Just Energy Transition
The South African climate change policy actions, Partnership, among others.
as outlined in the Climate Change Act 2024, aim to The following are the assumptions underlying the
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coordinate and integrate climate change responses. DES and SD modeling and simulation:

Volume 22 Issue 2 (2025) 193 doi: 10.36922/AJWEP025080049