The concept of 'green infrastructure' has gained significant traction in urban planning as a means to mitigate the adverse effects of climate change. Unlike conventional gray infrastructure, which relies on concrete and steel to manage stormwater, green infrastructure employs natural systems such as permeable pavements, green roofs, and urban forests. These elements not only reduce flooding by absorbing rainwater but also improve air quality, lower urban heat island effects, and enhance biodiversity. However, the implementation of green infrastructure faces challenges, including higher initial costs and the need for specialized maintenance. Despite these barriers, studies suggest that long-term economic and environmental benefits often outweigh upfront investments, making it a viable strategy for sustainable urban development.
❓ 根据文章内容,绿色基础设施相对于灰色基础设施的主要优势是什么?
A. A. 它需要较少的专业维护。
B. B. 它利用自然系统来管理雨水,并提供额外的环境效益。
C. C. 初始安装成本更低。
D. D. 它消除了对城市森林的需求。
✅ 正确答案
B. It uses natural systems to manage stormwater and provide additional environmental benefits.