Identification of Key Indicators for Sustainable Construction Materials

Table 3

Descriptive statistics on environmental indicators ().

Indicator
Human toxicity	4.267	1.009	1
Climate change	4.000	1.108	2
Solid waste	4.000	0.739	2
Ecotoxicity	3.933	0.780	3
Water extraction	3.867	0.815	4
Photochemical oxidation	3.800	1.057	5
Acidification	3.667	1.023	6
Fossil fuel depletion	3.667	1.023	6
Ozone layer depletion	3.667	1.087	6
Mineral extraction	3.600	0.963	7
Freight transport	3.000	0.826	8

Key indicator, mean ≥ 4.000.