From roadside plots to community gardens, urban farmers in Alexandra township, South Africa are growing food, earning income and coping with climate change.
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The decline of seaweed as part of the staple diet in Europe remains a mystery.
Mathematicians are like anatomists learning how a body works, or navigators charting new waters.
Residents in Nairobi’s urban slums are opting for fast food rather than the healthy alternatives, which is increasing their risk of developing diabetes.


