Narrow Results

Community is directly responsible for implementing the policy measures against public emergencies such as extreme weather, earthquake, flash flood and pandemic diseases. Summarizing the experience at the urban community level can help promote the global emergency management. This paper, from the perspective of COVID-19 prevention and control, selects three communities with different features to explore an effective response system for public emergency management at the urban community level. It demonstrates that based on a centralized leadership, the multi-level governance (MLG) network combined with information technology has mobilized their participation in combating COVID-19 and ensured the effective and timely response to the public emergencies, which blocked the spread of epidemic to the greatest extent, proving worthy of being promoted as one of the Chinese approaches and Chinese wisdom.

Green building is the core content of human habitat construction. The wind environment and nitrogen oxides of motor vehicle emissions of an urban community in Tianjin city were simulated based on the RNG k − ε turbulence and pollutant dispersion models. Three evaluation indices were proposed according to the regulatory requirements of green building and air quality standard of China. The satisfaction of these regulatory requirements for an urban community was evaluated under the condition of typical wind of different seasons. The results showed that the proposed evaluation indices can be used in the satisfaction evaluation of green buildings.