Sub-Saharan Africa

Siltation

Stream-bank cultivation and gold panning add to the problems

Informal vendors

A battle for the streets

Fish farms

Catch of the day

Trauma

Confront the past or lose the future

Obstetric fistula

Marginalised for reasons of health

Health

Medical myths may be deadly – in Zambia, for instance

Shared spaces

Students live in some of Nairobi’s worst housing

Affordable housing

Why the government’s housing policy is failing in Nairobi

Cassava

The little tuber that could