Since 2015, a total of 58 pilot cities of ecological restoration and urban remediation have been identified to improve their sustainability and livability. In 2019, the green space rate and green coverage rate of urban built-up areas across the country registered 37.63% and 41.51% respectively, and the urban park and green space per capita reached 14.36 m2. Urban ecological and human settlements have been continuously improved. Promote green buildings.