Some of the 50 parliamentarians from across West Africa attending a conference on climate change, and food and water security held in Dakar on 25 and 26 March, looked uncomfortable when presented with a picture of a banana with a watermelon-coloured peel and an elephant with a cabbage head. “This is what you think genetically modified organisms (GMO) look like, right?” asked the plant breeding expert, Marcel Galiba. “I want you to reconsider,” he challenged the lawmakers.

Some lie awkwardly splayed on the stairs while others sleep in a neat row outside a church in Johannesburg from where Zimbabwean refugees will soon find themselves having to relocate again. The Methodist Church, in the city centre, has long been a popular destination for thousands of Zimbabweans fleeing their country's political and economic woes and more recently a devastating cholera crisis.

The war of attrition between Finance minister Tendai Biti and Reserve Bank governor Gideon Gono intensified this week, raising fears it could disrupt the smooth operation of monetary and fiscal policies unless quickly resolved. Biti this week took the fight deep into Gono’s territory after he told cabinet that the central bank boss ran a parallel government structure at the height of his power which gobbled 45% of Gross Domestic Product (GDP).

Africa must protect its food supplies from contamination by prioritising and investing in food production systems, says Ruth Oniang'o, editor-in-chief of the African Journal of Food Agriculture Nutrition and Development. January 2009 saw Kenya destroy US$8 million worth of maize — the country's staple food — after it was found to be contaminated with aflatoxin. But it seems the government agency concerned was more worried about recouping storage costs than righting its failures, says Oniang'o.