There are a number of design considerations that will affect the efficiency of green roofs. Some of these include soil type and thickness, vegetative species and cover, as well as roof geometry (area, ...

In the two decades since it was installed, the green roof at Asbury Woods has helped reduce runoff and carbon dioxide, ...

Green roofing transforms ordinary rooftops into living ecosystems that benefit buildings, people, and the environment.

A green roof cost averages $22,000, though some homeowners spend between $12,000 and $40,000. The main cost factors for installing a green roof include the roof type and size, the roof pitch, the ...

The Denver Green Buildings Ordinance is a building code that requires buildings larger than 25,000 square feet to dedicate a section of their roofs to solar or rooftop gardens, with portions ranging ...