Singapore is already well-known for its “city in a garden” reputation, and the residents’ desire to keep their island nation close to nature. This skyscraper design from Foster + Partners would give the city center additional home and office space while preserving the greenness of the area. Sky gardens, green terraces and a lush ground-level garden keep the green, while a sweeping canopy provides shade for the public areas. The ambitious project would create an entirely new civic destination for Singapore.