Reporting on our consumption and emissions
2011–2012 ENVIRONMENTAL SCORECARD 1 | |||||
Environmental Issues Monitored | Unit | 2010–2011 | 2011–2012 | Variance | |
Ecological footprint | Buildings | Surface area occupied (sq. ft.) | 4,452,359 | 4,323,049 | -129,310 |
Cooling systems (estimate) | Refrigeration capacity (tons) | 18,500 | 18,821 | +321 | |
Generators and heating systems (estimate) | kWh | 24,000 | 21,575 | -2,425 | |
Storage tanks | Number | 267 | 262 | -5 | |
Capacity (L) | 612,709 | 613,223 | +514 | ||
Consumption | Energy | kWh equivalent / sq. ft. | 32.45 | 33.9 | +1.45 |
Water | Litres / sq. ft. | 76.02 | 80.8 | +4.78 | |
Emissions | Air emissions | Total kg of CO2 equivalent | 58,145,333 | 53,276,050 | -4,869,283 |
Kg of CO2 equivalent / sq. ft. | 5.42 | 5.73 | +0.31 | ||
Non-hazardous waste | Diversion rate | 69.6% | 69.6% | ----- | |
Hazardous waste | Metric tonnes (mT) | 103.1 | 137.02 | +33.92 |
See the Impact and Reporting section for more information about our ongoing efforts to address each of these environmental issues.
1 This table is representative of the data available as of August 1, 2012.