Table 3.
Dietary GHG emissions by diet group aggregated using the GWP100, GTP100 and GWP20, standardized to 2,000 kcal and by age and gender
| Diet group | GHG emissions | ||
|---|---|---|---|
| GWP100 CO2e (kg d−1) | GTP100 CO2e (kg d−1) | GWP20 CO2e (kg d−1) | |
| Vegans | 2.47 (2.09, 3.36) | 2.42 (2.05, 3.29) | 2.73 (2.30, 3.64) |
| Vegetarians | 4.16 (3.31, 5.82) | 3.84 (3.04, 5.19) | 5.35 (4.37, 7.95) |
| Fish-eaters | 4.74 (3.85, 6.27) | 4.39 (3.54, 5.72) | 6.08 (5.00, 8.73) |
| Low meat-eaters | 5.37 (4.26, 6.99) | 4.92 (3.87, 6.31) | 7.08 (5.78, 9.93) |
| Medium meat-eaters | 7.04 (5.26, 9.39) | 6.34 (4.71, 8.53) | 9.55 (7.31, 13.04) |
| High meat-eaters | 10.24 (7.04, 15.95) | 8.97 (6.17, 14.15) | 14.77 (10.23, 22.55) |
Results presented for all adults (N = 55,504). All results are presented as median (2.5th percentile, 97.5th percentile) from a Monte Carlo analysis with 1,000 iterations.