‘Forest cities’ could help solve China’s air pollution problem

Not long ago, Stefano Boeri Architetti announced their plans to create the first ‘vertical forest’ in China. The building would be covered in over 3,000 plants and absorb 25 tons of CO2 per year and produce 60 kilograms of oxygen per day. The goal of the project was to help rectify one of China’s biggest problems: air pollution.