| Coefficients | ||||||
| Model | Unstandardized Coefficients | Standardized Coefficients | T | Sig. | ||
| B | Std. Error | Beta | ||||
| 1 | (Constant) | −0.610 | 0.481 |
| −1.268 | 0.211 |
| Greenhouse Emissions (tons) | 0.004 | 0.052 | 0.011 | 0.072 | 0.943 | |
| Recycling (Tones) | 0.043 | 0.044 | 0.155 | 0.994 | 0.325 | |
| Waste (tons) | −0.096 | 0.053 | −0.297 | −1.822 | 0.075 | |
| Renewable energy (kWh) | 0.016 | 0.034 | −0.080 | −0.475 | 0.637 | |
| 2 | (Constant) | −0.594 | 0.416 |
| −1.428 | 0.160 |
| Recycling (Tones) | 0.044 | 0.042 | 0.157 | 1.049 | 0.300 | |
| Waste (tons) | −0.096 | 0.052 | −0.296 | −1.850 | 0.071 | |
| Renewable energy (kWh) | −0.016 | 0.034 | −0.079 | −0.478 | 0.635 | |
| 3 | (Constant) | −0.740 | 0.278 |
| −2.664 | 0.011 |
| Recycling (Tones) | 0.039 | 0.040 | 0.138 | 0.963 | 0.341 | |
| Waste (tons) | −0.085 | 0.046 | −0.263 | −1.839 | 0.072 | |
| 4 | (Constant) | −0.542 | 0.187 |
| −2.904 | 0.006 |
| Waste (tons) | −0.095 | 0.045 | −0.291 | −2.088 | 0.042 | |