With the quick development of Shanghai, energy consumption has increased fast in recent years, which leads to the environmental problems. In this paper, we proposed a cluster model to the CBD of Shanghai and have an evaluation on this plan in order to give a way to reduce the energy consumption and the emission of CO 2 for air conditioning. The basic concept of cluster model in urban planning is that buildings and natural conditions (green lands or rivers) should be co-existed. Based on natural

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... conditions in current urban area, we set more land for green areas and rivers as possible. And the decrease of land area will be made up with the construction of high-rises. The results were found that the cluster model could give a good answer to mitigate the thermal environment and CO 2 emission. And this will also be available for reference for other megalopolis in Asia.