Due to global urbanization expansion, temperatures in cities are rising continuously resulting from climate change, causing an impending risk of urban heat islands and heating. Urban green spaces are considered an effective way to mitigate climate change in urban environments; they have enormous potential to reduce vulnerability to heat waves, improve cities’ urban resilience, offer numerous environmental benefits, and encourage overall well-being. This study focuses on the role of urban green spaces in mitigating climate change by exploring the benefits and abilities of urban green spaces in mitigating climate change. The urban green spaces in the New Administrative Capital will be analyzed showing their sustainable benefits in mitigating climate change. The main objective of this research is to conduct a guideline showing how green urban space can help in climate change mitigation. The findings revealed that urban green spaces have a high potential for contributing to climate change mitigation efforts.