In today's lecture, we'll explore the significance of urban green spaces, such as parks and gardens, within our cities. These areas are not merely aesthetic enhancements but play a crucial role in improving the quality of life for residents. Research has shown that urban green spaces can lower stress levels, increase physical activity, and even enhance cognitive functioning among city dwellers. Furthermore, they serve as critical habitats for urban wildlife, contributing to biodiversity conservation. The case study of the High Line in New York City illustrates how transforming derelict infrastructure into green spaces can revitalize neighbourhoods and boost local economies. However, the distribution of these green spaces is often uneven, raising questions about accessibility and social equity. In conclusion, as urban areas continue to grow, the integration of green spaces becomes essential for sustainable urban development and the well-being of its inhabitants.