‘Forest cities’: the radical plan to save China from air pollution

Stefano Boeri, the architect famous for his plant-covered skyscrapers, has designs to create entire new green settlements in a nation plagued by dirty air

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Nanjing Green Towers
Nanjing Green Towers / © Stefano Boeri Architetti
Nanjing Green Towers
Nanjing Green Towers / © Stefano Boeri Architetti

When Stefano Boeri imagines the future of urban China he sees green, and lots of it. Office blocks, homes and hotels decked from top to toe in a verdant blaze of shrubbery and plant life; a breath of fresh air for metropolises that are choking on a toxic diet of fumes and dust.

Last week, the Italian architect, famed for his tree-clad Bosco Verticale (Vertical Forest) skyscraper complex in Milan, unveiled plans for a similar project in the eastern Chinese city of Nanjing.

The Chinese equivalent – Boeri’s first in Asia – will be composed of two neighbouring towers coated with 23 species of tree and more than 2,500 cascading shrubs. The structures will reportedly house offices, a 247-room luxury hotel, a museum and even a green architecture school, and are currently under construction, set for completion next year.

But Boeri now has even bolder plans for China: to create entire “forest cities” in a country that has become synonymous with environmental degradation and smog.

“We have been asked to design an entire city where you don’t only have one tall building but you have 100 or 200 buildings of different sizes, all with trees and plants on the facades,” Boeri told the Guardian. “We are working very seriously on designing all the different buildings. I think they will start to build at the end of this year. By 2020 we could imagine having the first forest city in China.”

Boeri described his “vertical forest” concept as the architectural equivalent of a skin graft, a targeted intervention designed to bring new life to a small corner of China’s polluted urban sprawl. His Milan-based practice claimed the buildings would suck 25 tons of carbon dioxide from Nanjing’s air each year and produce about 60 kg of oxygen every day. […]

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