"It has all but become an article of faith that sourcing food locally is the most sustainable alternative to our current global food production system. But there is a growing body of evidence that local may be only part of the answer.
"Speaking at the Monterey Bay Aquarium's Cooking for Solutions event last week, Richard Pirog, the associate director of the Leopold Center for Sustainable Agriculture at Iowa State University, said larger regional food economies might be the solution."
