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Global food waste twice as high as previously estimated, study says

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Researchers say that food waste is not a 'problem at low levels of affluence,' or in developing countries, and that a so-called 'elasticity' or growth in waste occurs as incomes increase.

The study estimated food waste using consumer expenditure and found that, globally, people were wasting as much as 727 calories a day in food in 2011, or 25% of calories available for human consumption, compared to 351 calories a day in 2003, although researchers said the 2003 measure did not include food waste from some of the largest nations, such as the United States, so they recalculated food waste for the year 2005 at 526 calories a day per capita.

The authors estimated that in poor and middle-income countries, consumers begin rapidly wasting food when their incomes increase to at least $6.70 a day per capita. The study urges policymakers in developing nations to get ahead of the problem through consumer awareness and education programs.

 

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