1 School of Public Health, MRC-PHE Centre for Environment and Health, WHO Collaborating Centre on Non-Communicable Disease Surveillance and Epidemiology, Imperial College London, majid.ezzati@imperial.ac.uk.
2 Faculty of Architecture, The University of Hong Kong, Hong Kong, China.
3 Public Health England, London, UK.
4 James P Grant School of Public Health, BRAC University, Dhaka, Bangladesh.
5 Centre for Urban Management Studies, Institute of Statistical, Social and Economic Research (ISSER), University of Ghana, Accra, Ghana.
6 LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China.
In the first of a new series of articles on the role of cities in health, Majid Ezzati and colleagues call for greater action to reduce health inequalities within cities