（left）Green roofs are only one mechanism to improve the environmental performance of a city. To address this, the City brought together private and public experts to develop a comprehensive approach to economically sound and environmentally sustainable urban design.
（right）Baseline data such as the extent of tree canopy (in green) and areas with elevated surface temperatures (in red) was a critical tool for informing the task forces of
the extent of, the correlations between, and the location of Chicago’s environmental challenges.
绿色屋顶有助于提包城市可持续性能，政府为此召集专家制定经济的，合理的，环境可持续发展战略。图中红色和绿色以及地区的相应数据是知晓芝加哥环境挑战位置和相关性的重要工具。
City staff used the recently completed webbased zoning layer to categorize and measure Chicago’s land uses. Development sites were the focus of the Site Design
Task Force whose mission was to encourage more sustainable site design on private developments.
一个芝加哥土地用途分类和度量，鼓励更多私人性质的可持续发展场地设计。
The stormwater infiltration planters at the Rush University Medical Center are an example of the alternative stormwater best management practices that are now being
encouraged through the updated Chicago Sustainable Development Policy (GUD 3.3).
3,3计划，在Rush大学医学中心进行的雨水渗透花盆之于最佳雨水管理实践。
The green wall constructed in the Lakeshore East Development visually softens the concrete wall, lower the temperature of the parking base and mitigates stormwater.
This is another example of the implementation of GUD Action 3.3.
3,3计划，用氯化柔化混凝土墙，讲题停车库库温度和减少雨水冲击。
