(Source: http://ensia.com)
'Around the world, one-third of the food produced for human consumption is not actually consumed, according to the United Nation’s Food and Agriculture Organization. Despite high demand — even in the United States, one in six individuals lacks food security — perishable food often misses its mark, at epic proportions. Globally, this adds up to 1.3 billion metric tons of uneaten food annually. Not only that, but growing and transporting that food is estimated to produce 3.3 billion metric tons of greenhouse gas emissions per year, making wasted food one of the largest contributors to emissions in the world.'
Here is a link to the article by Mary Catherine O'Connor: http://ensia.com/features/how-do-you-solve-a-problem-like-food-waste/.