One-Third of Food Is Lost or Wasted: What Can Be Done

At 2.8 trillion pounds, that's enough sustenance to feed three billion people. In the United States, the waste is even more egregious: More than 30 percent of our food, valued at $162 billion annually, isn't eaten. Pile all that food on a football field and the layers would form a putrefying casserole miles high.

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