| Central Office | 2002–03 | 2003–04 | 2004–05 | 2005–06 | 2006–07 | 2007–08 | 2008–09 |
|---|---|---|---|---|---|---|---|
| Leased sq meters (per annum) | 45,830 | 45,410 | 44,900 | 52,300 | 57,697 | 59,295 | 57,897 |
| Energy use (kWh) | 8,120,400 | 7,061,000 | 5,998,600 | 5,575,156 | 5,940,064 | 6,262,469 | 5,834,123 |
| Greenhouse gas (GHG) emissions (tonnes)# | 7,999 | 6,955 | 5,791 | 5,161 | 6,344 | 5,726 | 5,230 |
| Continuous annual reduction in GHG emissions | n/a | -1,044 | -1,164 | -630 | +1,183 | -618 | -496 |
| % reduction in GHG emissions (per annum) | n/a | -13% | -17% | -11% | +18.6% | -10% | -8.7 |
| kWh per m2 of leased area | 177.2 | 155.5 | 133.6 | 106.6 | 102.9 | 105.6 | 100.8 |
| Central Office | Volume | Environmental Impact Minimised | ||
|---|---|---|---|---|
| 2006–07 | 2007–08 | 2008–09 | ||
| Office paper recycled | 178 tonnes | 112.5 tonnes | 165.8 tonnes | Every tonne of paper recycled saves 2.5 barrels of oil, 4,100 kWh of electricity, 4 cubic metres of landfill and 31,780 litres of water. Using this as a basis for calculation, the Department saved 414.5 barrels of oil, 679,780 kWh of electricity, 663.2 cubic metres of landfill and 5,269,124 litres of water. Source: www.cleanuptheworld.org. |
| Old mobile phones and batteries recycled | 70 items | 72 items | 32 items | More than 93 per cent of the materials in mobile phones can be recycled, such as nickel, cadmium, and cobalt from batteries; gold, silver, copper, tantalum, palladium and copper from circuit boards; and various plastics and other metals from handsets and accessories. The metals recycled are used to make batteries, jewellery, stainless steel, plastic pallets and fence posts. Source: www.ecoaction.com.au. |
| Used toner cartridges recycled | 1,929 items | 2,812 items | 3,083 items | Refilling or sending toner cartridges back for remanufacture can extend their life tenfold. It is estimated that approximately 5 million, or 30 per cent of cartridges used annually are recovered and remanufactured. Recycling means less dependence on virgin plastic resins that are made from valuable hydrocarbon resources. At the end of a cartridge’s life the ABS plastic is recovered for other purposes. Source: www.sustainability.vic.gov.au. |
| Commingle recycling | 6.6 tonnes | 8.1 tonnes | 22.7 tonnes | By transforming waste materials into usable resources, recycling reduces landfill and conserves resources, provides a way to manage solid waste while reducing pollution, conserving energy, creating jobs and building more competitive manufacturing industries. Source www.cleanup.org.au. |
| Cardboard recycling | 15.5 tonnes | 14.3 tonnes | 16.9 tonnes | Recycling one tonne of cardboard saves 13 trees, therefore the Department saved approximately 220 trees. Source: www.cleanuptheworld.org. |
| Organics | n/a | 2.7 tonnes | 1.9 tonnes | Organic recycling diverts waste from landfill and greatly reduces the production of greenhouse gases. This process provides a nutrient rich compost from rotting waste that otherwise would have been lost to landfill. Source: www.anu.edu.au. |
| Paper | 2003–04 | 2004–05 | 2005–06 | 2006–07 | 2007–08 | 2008–09 |
|---|---|---|---|---|---|---|
| Total reams | 92,040 | 63,200 | 68,036 | 81,779 | 79,910 | 65,452 |
| Percentage change in consumption | N/A | -31% | 8% | 20% | -2.3% | -18.1% |
| Percentage white paper with recycled component | 64% | 66% | 75% | 73% | 74% | 76% |
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