Abstract
About one-third of all food that is produced (from the farm to our tables) ends up being thrown away. This is a tremendous waste of resources, including the energy, water, soil, fertilizers, and pesticides used to produce food. Food waste also damages the environment because decaying foods release pollution, including methane, a very powerful greenhouse gas. In a study conducted in Israel, we found that 45% of all household trash is food waste, and 54% of food waste consists of food that is still edible, especially fruits and vegetables. The cost of avoidable food waste is ~$40 per month per household—money that is literally thrown in the trash. Understanding why and how food is wasted is a key step toward teaching people about this problem and creating public policies that will reduce food waste and persuade people to change their behavior.
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