Database research record2009·United Kingdom
Local food, food miles and carbon emissions: A comparison of farm shop and mass distribution approaches
Coley, D., Howard, M., Winter, M.
Food Policy 34(2), 150–155
Urban Farm DB summary
Compares farm-shop and mass-distribution approaches, showing that if a consumer drives more than 6.7 km one way, even local produce can emit more carbon than mass distribution—a classic paper opening the debate that 'local food is not automatically sustainable'.