This article reviews how cities can be planned in a way that is good for the environment, society, and economy. It looks at different ways to make cities sustainable, focusing on how nature and people interact. The researchers discuss the importance of ecological planning in creating sustainable cities and how to assess the sustainability of urban ecosystems. They also talk about methods for measuring how environmentally friendly a city is. The main goal is to understand how cities can be planned to be sustainable, and the key findings include the importance of considering the environment in city planning and ways to assess urban sustainability.