'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 airWhen 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 Vert