Database research record2008·United States
Food-Miles and the Relative Climate Impacts of Food Choices in the United States
Weber C., Matthews H.
Environmental Science & Technology
Urban Farm DB summary
Production dominates US food-related life-cycle emissions (about 83%), while all transport accounts for roughly 11% and final delivery only about 4%, undermining the assumption that local food is low-carbon and that cutting food-miles via urban growing yields large climate gains.