Most cities have not been designed with women’s safety in mind but, from Egypt to Rwanda, new technology, design and education are reducing the threat of violence on the street

Forget ‘solutions’ such as smog towers, air-filtering buses and pollution-eating paints. We need to prevent the air pollution in the first place

As the world’s population grows older and more urban, cities around the world must decide how to adapt

The obsession with self-driving cars and dockless cycles means pedestrians are often overlooked. But if we fail to accommodate those on foot, we ignore an essential part of what makes a city great

The reality for many urban children is too much time spent indoors playing on smartphones – but a few cities are fighting the tide with innovative ways to keep kids healthy, sociable – and outdoors

Most cities are utterly unfriendly to people with disabilities – but with almost one billion estimated to be urban-dwellers by 2050, a few cities are undergoing a remarkable shift

It is cities where the most lives can be saved in earthquakes – here are their smartest ideas so far

The wetter the better. From sponge cities in China to ‘berms with benefits’ in New Jersey and floating container classrooms in the slums of Dhaka, we look at a range of projects that treat storm water as a resource rather than a hazard