Almost 20 per cent of the food made available to consumers is lost through over-eating or waste, a study suggests. The world population consumes around 10 per cent more food than it needs, while almost nine per cent is thrown away or left to spoil, researchers say.

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Almost 20 per cent of the food made available to consumers is lost through over-eating or waste, a study suggests. The world population consumes around 10 per cent more food than it needs, while almost nine per cent is thrown away or left to spoil, researchers say.