"Vertical forest" for Milan city centre

A leading Milan architects’ studio has nearly completed two apartment blocks carrying a “vertical forest” on their balconies in the city’s central Isola district.
 
The residential towers, 110 and 75 metres high, will host 900 trees 3, 6 or 9 m tall, apart from a wide range of shrubs and floral plants. On flat land, each bosco verticale – as this kind of structure is known – equals, in amount of trees, to a hectare, or in  terms of urban densification the equivalent of an area of single family dwellings of nearly 50.000 sqm.
 
The vertical forest is a system that optimizes, recuperates and produces energy. It helps to create a microclimate and filter the dust particles contained in the urban environment. The diversity of the plants and their characteristics produces humidity.  The plants themselves absorb carbon dioxide and dust particles, produce oxygen, and protect residents from radiation and acoustic pollution, improving the quality of living spaces and saving energy. Plant irrigation will be provided to a great extent through filtering and reuse of the grey waters produced by the building.
 
Additionally, wind and solar energy systems will contribute, together with the microclimate to increase the degree of energy self-sufficiency of the two towers. The management and maintenance of the bosco verticale will be centralised and entrusted to an agency with an office open to the public.
 
The two tower blocks have been commissioned by real estate developers Hines Italia from the Stefano Boeri studio, at an estimated cost of €65 m.  They are expected to be completed in the coming spring.

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