Over the past three decades, new off-grid electrification infrastructures – as micro-grids and other solar solutions – have moved from innovative initiatives, conducted by NGOs and private stakeholders, to a credible model promoted by international organizations for electrification of rural...

Major deficiencies in urbanisation and transportation systems are reinforcing patterns of social and urban segregation in Dar es Salaam, Tanzania's largest city. Analysis of the 1993 Human Resources Development Survey shows that there are numerous obstacles to the daily travel of the city's...