Table 2. Environmental impact of inputs in a mealworm production system.
| GWP (kg CO2-eq) | EU (MJ) | LU (m2) | ||||
| Carrots (kg) | 0.38 | 14.27% | 4.31 | 12.80% | 0.51 | 14.39% |
| Mixed grains (kg) | 1.11 | 41.98% | 10.47 | 31.09% | 3.03 | 85.14% |
| Gas (MJ) | 0.70 | 26.26% | 11.71 | 34.77% | 0.00 | 0.02% |
| Egg trays (kg) | 0.00 | 0.12% | 0.04 | 0.13% | 0.00 | 0.01% |
| Electricity (MJ) | 0.45 | 17.06% | 7.13 | 21.17% | 0.01 | 0.24% |
| Water (M3) | 0.00 | 0.03% | 0.01 | 0.04% | 0.00 | 0.00% |
| Animal (kg) | 0.01 | 0.29% | 0.00 | 0.00% | 0.00 | 0.00% |
| Farm | 0.00 | 0.00% | 0.00 | 0.00% | 0.01 | 0.20% |
| Total | 2.65 | 100.00% | 33.68 | 100.00% | 3.56 | 100.00% |
Absolute and relative contribution global warming potential (GWP), energy use (EU) and land use (LU) for the production of one kg of fresh mealworms based on economic allocation.