Total Bauxite consumption (ton)
Total Natural Gas consumption (m Nm )
Direct CO
2
emissions (k tonnes)
Indirect CO
2
emissions (k tonnes)
Total energy consumption (TJ)
Total water consumption (m m )
Total waste (k tonnes)
1
Total energy consumption = Energy consumption from Non-renewable sources + Energy consumption from Renewable sources + Energy purchased for consumption + Energy
produced – Energy sold.
2
Includes bauxite residues which account for almost the 90% of the total quantity of waste.
1,830,996
556.95
1,489.0
2,304.7
31,835
794.7
1,833,201
651.53
1.666.3
2,392.6
35,954
5.7
780.9
2014 2015
2016
ENVIROMENTAL PERFORMANCE (
E
SG)
1,875,509
900.38
2,353.5
2,321.0
49,324
6.2
799.4
Recycled, reused or reutilised waste (tonnes)
Total area of used land in rehabilitation process
Rehabilitation percentage of usable areas from the mining activity
Environmental expenditures (m €)
Percentage of Group's activity sectors with ISO 14001 certi cation
Percentage of Group's activity sectors with ISO 14064 certi cation
28,107.2
241
78.96%
9.3
100%
33%
32,463.7
227
80.04%
11.7
100%
33%
36,137.1
237
80.04%
28.9
100%
33%
2
3
3
1
Enviromental
Performance
7
5.5
