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Some cities are in the process of switching to a more sustainable design. This is often accomplished by using technologies and changing how the cityscape is used.
Which of the following would NOT be used to improve the sustainability of a city?
Cities would increase their practice of infilling.
Cities could install a Smart Traffic Management system.
Change traditional neighborhoods to walkable, mixed-use neighborhoods.
Reduce the heat-island effect by paving roads with concrete instead of asphalt.
Convert rooftops to 'green roofs' where community gardens are grown.