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Italy's high-rise forests take root around the world
Key Excerpts from Article on Website of News 24/AFP
Posted: October 16th, 2017
http://www.news24.com/Green/News/italys-high-rise-forests-ta...
As balconies bristle with tree branches and sunshine dapples the leaves of thousands of plants, two apartment buildings in the heart of Milan have almost disappeared under lush forest. The brainchild of Milanese architect Stefano Boeri, the Bosco Verticale ... uses more than 20,000 trees and plants to adorn the high-rise buildings from top to bottom - a project now being exported all over the world. Cherry, apple and olive trees spill over balconies alongside beeches and larches, selected and positioned according to their resistance to wind and preference for sunlight or humidity. Boeri said the idea came from his obsession with trees and determination to make them "an essential component of architecture," particularly as a weapon to combat climate change. Boeri worked closely with botanists to create a nursery of a thousand trees that have been trained to grow under specific conditions. The team faced numerous challenges, from how the balconies should be structured to take the weight of the plants, to ... what needed to go into the soil. They even carried out resistance tests at a hurricane centre in Miami. "For every human being living in the building, there are about two trees, 10 shrubs and 40 plants," Boeri said. The vegetation soon transformed into a veritable wildlife park: 9,000 ladybirds brought over from Germany to eat parasites - to leave the plants pesticide free - multiplied over the space of a few weeks. "We did not expect ... the incredible amount of birds that nested here," Boeri said.
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