Table 1 Comprehensive impact grading table of house buildings on society, economy and environment.
From: Ecological effect life cycle assessment of house buildings based on emergy footprint model
Ecological impact coefficient | γ < 0.95 | 0.95 ≤ γ < 1 | γ = 1 | 1 < γ < 2 | γ ≥ 2 |
|---|---|---|---|---|---|
Impact level | Positive (I) | More favourable (II) | Break-even (III) | Unfavourable (IV) | Extremely unfavourable (V) |
