Chef Massimo Bottura on Why the Future of Food is in Our Trash http://www.wsj.com/articles/chef-massimo-bottura-on-why-the-future-of-food-is-in-our-trash-1449506020
We throw away about $700 worth of food each year in the USA. That's per person, last I saw, which was probably about 10 years ago.
Think of the products taken from the shelf because they are past the due date.
Capturing most of this food can go a long way toward feeding a hungry planet.