The Friday File: The amount of the greenhouse gas carbon-dioxide produced per kilogram (2.2 lbs) of boneless beef is 26.61 kilograms. Lamb follows at 25.58; both are ruminants. Each kilogram of pork embodies 5.77 kilograms, a kilogram of chicken, a paltry 3.65 kilos, the average kilogram of fish, 3.49 kilos, a kilogram of eggs results in 3.46, and milk 1.29. A kilogram of field-grown fruits and vegetables, just 0.4 kilos.