They can in theory cover the walls and roofs of buildings ... This all leads to an awkward question: why has Hong Kong failed ...

"Hong Kong Green Capabilities in Real Estate Development and Property Management: RCEP Opportunities", which highlights seven distinct advantages of Hong Kong in the field of green buildings.

Construction has reached the roof level in Zaha Hadid Architect’s development above Hong Kong High-Speed Rail West ... nearly 9,290 square meters of green terraces, plazas, and atriums boasting ...

One way to do this is to remove the buildings and pavement that cause the problem. This is not always practical, so the alternative is to generate green space on the roof tops by installing Green ...