Africa 'can feed itself in a generation'

The BBC reports on Calestous Juma's new book New Harvest,where he contends:

that there is great scope to expand crops traditionally grown in Africa, such as millet, sorghum, cassava or yams.He sees areas where farmers will need to adapt to tackle a changing climate - cereal farmers may switch into livestock, he says, while others may chose more radical options."Tree crops like breadfruit, which is from the Pacific, could be introduced in Africa because trees are more resistant to climate change."...[continue reading]