Climate change and a growing population mean in the future it will be more difficult to feed the world. How can we make sure everyone has enough to eat, particularly in an age of increasing global interdependence?
Children staring blankly at a camera they seem barely to realize is there, flies buzzing around their mouths, their little stomachs swollen – it's an image that many of us are familiar with from Ethiopia's famine during the 1980s.
More than 30 years on, Ethiopia is again facing food shortages as a result of a prolonged drought, the worst in 50 years. Although it ha
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