A new bridge in Portland, Oregon carries pedestrians, cyclists, buses, trams and light rail metro – but no cars or trucks. The Tilikum Crossing over the Willamette River opened on 12 September 2015. Perhaps not surprisingly, it is in Portland, Oregon, one of the most environmentally conscious cities in the USA. In connecting and extending the public…

Despite the pace of urbanization and the economic importance of cities, many leading politicians in Africa are still focused on rural areas. Reuben Abraham, the head of a leading Indian think tank on urban issues, says that leaders of some developing countries are simply failing to undersand the importance of urbanization. Speaking  in Jakarta at a New…

Faced with increased urban flooding, China is seeking to create “sponge cities” that can absorb water. China’s rapid urbanisation has been accompanied by increased rates of urban flooding. The number of Chinese cities affected by floods has more than doubled since 2008. While water management was integrated into traditional Chinese urban development, the last 40 years have…