30 Jul 2014

Green Roofs Need Policy Escort

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Green RoofIn fact, the modern green roof can not be considered innovative. One of the seven wonders of the ancient world, the Hanging Gardens of Babylon Is the model of green roof, on each layer of building are planted plants, hundreds of years ago, Icelanders had grass on the roof, after this method spread to many parts of Europe, and even the Japanese animation master Hayao Miyazaki’s masterpiece “sky City”, also has such a fantastic idea. Today, the concept of green roof began to fashionable, is not so much technology innovation, it is more people live in reinforced concrete forest, would like to close to nature.
Recently, more air in high levels of pollution in our country, continually expand the scale of population, rapid growth in vehicle ownership, urban construction in full swing …… economic and social development not only consumes a lot of energy, it also brings a sustained increase environmental pollution .
Curbing environmental pollution, urban greening bear the brunt. Experts had said that when the city green coverage rate reached 50 percent, the best on human health. However, the limited urban land resources, you want the full development of the green, it is difficult.
In the early 1960s, Chengdu, Chongqing and other cities use the factory floor, office buildings, warehouse roof platform to carry out agricultural and sideline production, planting fruits and vegetables. In the 1980s, around the hotel appeared in succession the roof garden. However, this attempt is still confined to hotels and other commercial buildings. The roof of the general residential buildings, corporate offices and other buildings, but rare green large scale. In fact, the green roof is the conservation of land, development of urban space, an effective way to “wrap” the building and the city, is the art of architecture and green combination, particularly the need to point out that green roofs in the protection of the urban environment’s role can not be ignored the. Japan and Germany on the building roof garden has reached a very high level, large cities in Russia, Italy, Australia, Switzerland and other countries, but also have a varied and beautiful scenery in the roof garden.
Green roofs have become popular. Indeed, the green roof has its positive side: flat underside and away from pests, full sun, and less air pollution. But there are some problems to be solved, such as irrigation, management, leakage, sewage treatment, which requires the government policies, this standardization and institutionalization. Homeland, the construction sector, to clarify the ownership of each roof, strengthen supervision in the construction, building; environmental protection departments are from the drainage of the environmental impact assessment and checks, etc.; roof garden departments according to the characteristics of design science vegetation landscape. Technical issues, the market and attract qualified enterprises to promote development through competition.
Roof, urban development is yet to be cultivated place, but with the development of industry, the rapid pace of urbanization, one after another high-rise buildings going up, dwindling land area. Green roofs can both landscape architecture, but also improve the urban ecological environment. Remember that whole wall covered with ivy? Perhaps one day, we will not only have a pleasant sky gardens, will see high-rise buildings are decorated with green walls, it really is everywhere green vitality.


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