Green roofs are a new system of city design. It has more important effect of development. "The industry 's growing like crazy," says Rowe. "(In) 2002, there were actually less than 50 green roofs in north America. Now there are more than 10,000" (Nolin 20). Above all, when the shortage of urban surface green element, green roofs can be used as green infrastructure of the city, for the city to increase benefits. These interventions include relieving urban heat island effects, reducing energy consumption, alleviating flooding which is caused by rain, and increasing biodiversity and habitat. Building a green roof, not only simply uses flowers and grass, but the designer should consider other requirements as well, such as drainage and load-bearing
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Another good way that we can earn money by developing a variety of projects and incorporates functions into green roof design. As a result, this pattern saves the cost of the green roof construction and the whole building. It is well known that green roofs improve the heat island effect. On the other hand, green roof makes a significant effect about absorbing heat. In the summer, green roof provides good insulation. It means that the plants that live in the green roof can block the sun side and absorb the heat from the sun. Because of this function, the green roof can greatly reduce the use of air conditioning. While providing heat to keep warm in winter, summer requires a small amount of air conditioning to adjust the indoor temperature, reducing heating costs in winter. Green roofs will combine these properties, substantial energy savings, as energy prices increase, demand for green roofs are becoming increasingly evident. In addition, there are many ways to generate green roofs profits. For example, food can be grown on the roof. "Research has shown that in Egypt green roofs are major source of soil for vegetable and fruit gardens." (Doncean 264). Many people are used to grow vegetables to provide their own food, which also reduces the daily expenses and generates economic benefits. The project improves the lives of local people. For example, in some areas of South Africa, they carried out a number of fruits and vegetables grown in the use of the roof, balconies, rooftops and other spaces. They are the formations of some small-scale urban agriculture space. The roof garden purpose to produce food, and the space becomes available for an agricultural source. It rescues some poor people and to bring some economic benefits (Petzer 32). Under normal circumstances, people to meet the self-sufficiency of food, they will sell extra vegetables and fruit.
Another good way that we can earn money by developing a variety of projects and incorporates functions into green roof design. As a result, this pattern saves the cost of the green roof construction and the whole building. It is well known that green roofs improve the heat island effect. On the other hand, green roof makes a significant effect about absorbing heat. In the summer, green roof provides good insulation. It means that the plants that live in the green roof can block the sun side and absorb the heat from the sun. Because of this function, the green roof can greatly reduce the use of air conditioning. While providing heat to keep warm in winter, summer requires a small amount of air conditioning to adjust the indoor temperature, reducing heating costs in winter. Green roofs will combine these properties, substantial energy savings, as energy prices increase, demand for green roofs are becoming increasingly evident. In addition, there are many ways to generate green roofs profits. For example, food can be grown on the roof. "Research has shown that in Egypt green roofs are major source of soil for vegetable and fruit gardens." (Doncean 264). Many people are used to grow vegetables to provide their own food, which also reduces the daily expenses and generates economic benefits. The project improves the lives of local people. For example, in some areas of South Africa, they carried out a number of fruits and vegetables grown in the use of the roof, balconies, rooftops and other spaces. They are the formations of some small-scale urban agriculture space. The roof garden purpose to produce food, and the space becomes available for an agricultural source. It rescues some poor people and to bring some economic benefits (Petzer 32). Under normal circumstances, people to meet the self-sufficiency of food, they will sell extra vegetables and fruit.