An increase in cyclists due to the COVID-19 pandemic means that cities need to look at what it means to develop and maintain inclusive bicycle infrastructure.
In South African cities there's an uneven distribution of trees, greenery and parks across racial and income geographies.
Low-income and minority groups are often reliant on cheaper modes of transport, but many find cycling to work problematic.
The knowledge economy creates clear winners and losers in the big cities whose growth it drives. Many Australian and US cities with strong knowledge economies have high levels of social vulnerability.
The demands on land and resources from our fast-growing cities are unsustainable, as are the wastes they produce. Yet still our leaders act as if unlimited growth is possible.
Developing computer models can help us to study the structural causes of urban inequality.