Rural-to-urban migration in Africa is increasing at a fast pace, fuelled principally by the prospects of a better life in cities. Many such migrants face challenges of unemployment and poor housing when they arrive in cities and end up living in poor neighbourhoods such as informal settlements (or slums). Slums are not just the first destination of recent migrants; some slum residents have lived there for decades. Another compounding factor is high fertility, which contributes to the rapid...

As the first 'Dean for Research Impact’ appointed by a UK higher education institution, Professor Greenhalgh summarises prevailing national and international debates about what research impact is; how it should be measured; how to balance the potentially conflicting agendas of ‘economic’ and ’societal’ impact; and how to build capacity at all levels for delivering on both these agendas.'