This conference newspaper features major new research on metropolitan health and well-being, as well as intra-urban analysis of health and social indicators in Hong Kong, and qualitative research with residents of four dense neighbourhoods, together with conference partners at the University of Hong Kong. A compilation of thirty city case studies and framing papers by conference participants and collaborators focusses on the global themes of health and well-being in cities, and local examples of interventions and policy analysis from Hong Kong and fourteen cities around the world.