A growing number of organizations in the United States, supported by public and private funds, are trying to build food systems that simultaneously reap environmental, social and economic advantages for participants and the broader society.  Yet articulating the parameters of such food systems so that we can measure their growth and build a stronger business case for them has not been done in a credible, rigorous way. 

http://wallacecenter.org/our-work/current-initiatives/healthy-urban-food-enterprise-development-center/current-initiatives/sustainable-food-indicators