SciDevNet: Kate Hawley examines how urban areas are evolving to be sustainable -- their challenges, trends and solutions.
Already, 54 per cent of the world's population lives in urban regions, and projections suggest this will keep increasing until at least 2050. [1] The shift from a rural- to an urban-dominant globe signals more strongly than ever the need to transform how cities develop. Architects, engineers, urban planners, civil society and policy makers face the challenges of creating sustainable,...