Land-use classification for extensive vegetative roof acreage potential in The Bronx
Urban Environmental Planning
Offers acreage for a range of urban uses
Recreation
Agriculture
Rainwater harvesting
Micropower In the form of generators,
windmills, etc.
Mitigate urban environmental problems
Storm water runoff Combined sewage
overflows Sources of water
pollution
Urban heat island effect
Air pollution
Economically viable & Little restrictions Load-bearing:
Soil can be very shallow Low maintenance, drought
resistant succulents & low- growing plants
Roof slope:
Flat roofs with 5-20 degree slopes work best, but 20-40 degree slopes still work.