Using data collected primarily by the UN’s Food and Agriculture Organization, the team found that more food is lost from the system than was previously thought.
Almost half of harvested crops — or 2.1 billion tonnes — are lost through over-consumption, consumer waste and inefficiencies in production processes, researchers say.
Livestock production is the least efficient process, with losses of 78 per cent or 840 million tonnes, the team found. Some 1.08 billion tonnes of harvested crops are used to produce 240 million tonnes of edible animal products including meat, milk and eggs.
This stage alone accounts for 40 per cent of all losses of harvested crops, researchers say.
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