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Quarterly Update of Australia's National Greenhouse Gas Inventory: June 2015

Department of the Environment, 2015

The Quarterly Update of Australia's National Greenhouse Gas Inventory provides estimates of Australia's national inventory up to the June quarter of 2015.

Australia's National Greenhouse Accounts are made up of a series of comprehensive reports and databases that estimate, and account for, Australia's greenhouse gas emissions. These publications fulfil Australia's international and domestic reporting requirements. The ‘Quarterly Update' is a publication series that reports on the latest estimates of Australia's national greenhouse gas inventory.

Australia's annual emissions for 2014-15 are estimated to be 549.3 Mt CO2-e. This figure is the second lowest emissions level since, and 1.9 per cent below, 2000 levels (560.2 Mt CO2-e) and 10.2 per cent below 2005 levels (611.4 Mt CO2-e).

Emissions per capita and the emissions intensity of the economy, including the land sector, were both at their lowest levels in 25 years in 2014-15. Emissions per capita have fallen 28.4 per cent since 1990, while the emissions intensity of the economy has fallen 53.2 per cent since 1990.

This bar chart compares Australia's annual emissions estimates for 2014-15 from the Projections Report March 2015 with the June 2015 Quarterly Update estimates. Emissions in megatonnes of carbon dioxide equivalent are plotted along the y-axis in increments of 20.  The comparison demonstrates that the estimates in the more recently published June 2015 Quarterly Update are 16.3 megatonnes of carbon dioxide equivalent lower than the estimates published in March 2015 in the Projections report.

Figure 1: Australia's annual emissions for 2014-15, comparison of the Quarterly Update and Projections estimates

When the Quarterly Update's estimates are compared to the projected emission levels published in Australia's Emissions Projections 2014-15 (‘Projections'), actual annual emissions for 2014-15 were 16.3 Mt CO2-e or 2.9 per cent lower than projected emissions levels (Figure 1). On a sectoral basis, actual emissions were lower than projected emissions levels in all sectors.

Over the year to June 2015 annual emissions including LULUCF increased 1.3 per cent compared to the previous year. For the June quarter 2015, national emissions excluding emissions from LULUCF decreased by 0.3 per cent in trend terms, and increased 0.1 per cent relative to the previous quarter on a seasonally adjusted and weather normalised basis.

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