São Paulo: building over three stories can be required to install green roofs
Today, the Committee on environment and sustainable development of São Paulo, Brazil, will promote a public hearing to discuss a project that requires commercial and residential condominiums with over three floors and installing green roofs on their covers.According to Marina Santanna, who requested the hearing, the aim is to "reduce the effects of global warming in urban centres, the formation of micro-climates that help dissipate heat in buildings and reducing the effects of precipitation, among other advantages for the urban environment".Among those invited to the hearing, emphasis on architecture and housing-related associations, banks, green technologies and waste."It is well known that one of the environmental problems of large urban centres are heat islands, occurring with increasing ambient temperature caused by excessive concentration of the built environment and the lack of green areas," said Mrs."This initiative will contribute to the temperature control, with increasing the extent of green areas and biodiversity in urban spaces and consequently with the quality of people's lives," added Marina Santanna.According to the rationale of the proposal among the many benefits of the adoption of the "green roof" include the maintenance of constant air humidity around the building, the formation of microclimate and micro-system, with the presence of various species of plants and animals, the increase in the amount of green in urban centers and the contribution in combating the greenhouse effectthrough the sequestration of carbon in the atmosphere. Already the conditions and deadlines for the implementation of the "green roof" will be established by State executive powers.According to the draft, only will be admitted as "green roof" coverage of vegetation composed basically by waterproofing, protection against roots, drainage, filtration, substrate and vegetation.Photo: Creative Commons/Garden City Institute
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