Sustainability
KEY ENVIRONMENTAL AND SOCIAL PERFORMANCE INDICATORS
| Singapore | Australia | ||||
| 2018 | 2017 | 2018 | 2017 | ||
 Enviromental Performance (1) |
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| Energy use (GJ) | 1,395,100 | 1,404,843 | 1,724,106 | 1,702,440 | |
| Carbon footprint (tonnes CO2 equivalent) | 174,391 | 173,811 | 418,760 | 418,269 | |
| Water use (cubic metres) | 752,207 | 814,447 | 74,235 (2) | 82,111 (2) | |
| Hazardous and non-hazardous waste (tonnes) | 6,289 | 4,613 | 2,197 (3) | 1,853 (3) | |
 Social Performance: People |
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| Employee turnover (%) | 17.1 | 16.4 | 15.4 | 15.4 | |
| Employee turnover by gender (%) | |||||
| – Male | 11.1 | 10.7 | 9.7 | 9.7 | |
| – Female | 6.0 | 5.7 | 5.7 | 5.7 | |
| Average training hours per employee | 30.6 | 30.4 | 27.6 | 30.9 | |
| Employee health and safety (4) | |||||
| – Workplace injury incidence rate | 2.1 | 1.3 | 4.1 | 1.3 | |
| – Workplace injury frequency rate | 0.9 | 0.6 | 2.8 | 0.8 | |
| – Workplace injury severity rate | 14.7 | 3.3 | 7.3 | 8.7 | |
 Social Performance: Community |
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| Community investment ($ million) (5) | S$7.5 | S$8.3 | A$9.4 | A$8.2 | |
| Total volunteering hours | 15,500 | 17,140 | 12,128 | 16,420 | |
Notes:
- (1)Please refer to the Singtel Group and Optus sustainability reports for the reporting scope of environmental indicators.
- (2)Water use for Optus Sydney Campus only.
- (3)Waste across facility under Optus waste direct contract and not inclusive of all sites.
- (4)Workplace safety and health metrics based on the International Labour Organization (ILO) definitions.
- (5)Community investment has been verified by The London Benchmarking Group (LBG).
For more details and audited statistics, refer to our Sustainability Report at singtel.com/sr2018.
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