If tree-covered skyscrapers act like enormous air filters, this cluster of buildings will be a clean air oasis.
China has broken ground on a "forest city" in the southern city of Liuzhou. The development, which will span two-thirds of a mile along the Liujiang River, involves blanketing offices, apartments, hotels, and schools with more than a million plants and about 40,000 trees.
The verdant towers will help soak up urban air pollution, produce clean oxygen, and boost local biodiversity. The greenery also provides shade on sunny days and acts as an insulating blanket during winter, allowing tenants to use less heating and electricity. Read more...
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