Keys to making urban growth boundaries work as a planning tool for controlling sprawl in US cities were identified in a session in the recent American Planning Association conference. Examples of urban growth boundaries were presented from Portland, Oregon; King County, Washington; and Denver. Messages were that the boundaries are flexible and negotiable; they succed…

A wide-ranging review of the research literature reveals that living in an environment with plentful greenery seems to be associated with a number of indicators of good health. The study reveals what the authors say is “fairly strong evidence”  that there is a positive association between greenness and physical activity. As well as having phyical…

Ghana’s urban population has grown from 4 million to 14 million in 30 years. This has underpinned economic growth, which has on average increased by 5.7% a year since 1984. Can this continue, or is the urban future bleak? A new report by the World Bank says that urbanisation has reduced urban and rural poverty and enabled…

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…