Opium played a fascinating role in southern African colonial politics, conﬂict and social change - from the poppy fields of Mozambique to the early days of Johannesburg city.
Mathematical modelling tools may predict where tsetse flies are being driven to extinction.
The upcoming El Niño event may see an even bigger drop in the water level of Lake Kariba. This will have terrible consequences for the people using the river.
Southern African countries do not face water scarcity and do not need to build joint water projects. But they do need talk to each other to avoid misunderstandings.