Which meat has the smallest carbon footprint?

Title: Which meat has the smallest carbon footprint? (from Meat Eater’s Guide to Climate Change and Health, by Environmental Working Group) URL: http://static.ewg.org/reports/2011/... Data from “Table 2. Validation of EWG LCA GHG Emission Results of Protein-Rich Foods” === Definitions === CO2e: Carbon dioxide equivelant CleanMetrics Corp.: , a Portland, Ore.-based environmental analysis and consulting firm EWG: Environmental Working Group, author GHG: Greenhouse Gas emissions LCA: life cycle assessments, “cradle to grave assessments”