A. They provide high-density urban areas with space for outdoor

recreation.

B. They reduce the need for a highway system within a city's central business district.

C. They encourage the use of mass transit over other forms of transportation in a city.

D. They reduce the commute time between the suburbs and a city's central business district.

E. They improve air quality and reduce pollution in urban areas.

F. They provide a natural habitat for wildlife and contribute to biodiversity in cities.

G. They can help mitigate the urban heat island effect and reduce the overall temperature in cities.

H. They provide a space for community events, farmers markets, and other social gatherings in urban areas.