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

Department of the Environment, 2016

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.

The Quarterly Update of Australia's National Greenhouse Gas Inventory (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 the year to September 2015, including the land sector, are estimated to be 549.6 Mt CO2-e. This figure is the second lowest emissions level since the year to September 2000 (558.7 Mt CO2-e). Emissions for the year to September 2015 were 1.6 per cent below emissions in the year to September 2000 and 8.7 per cent below emissions in the year to 2005 (602.3 Mt CO2-e) (see Figure 1).

Figure 1: National inventory total (including the land sector), year to September 2000 to 2015

When the Quarterly Update's estimates are compared with the projected emissions levels derived from the Tracking to 2020: an interim update of Australia's greenhouse gas emissions projections (‘Projections'), actual annual emissions for the year to September 2015 were 13.1 Mt CO2-e, or 2.4 per cent lower than the projected emissions level (Figure P2).

Figure 2: Australia's annual emissions for the year to September 2015 - a comparison of the Quarterly Update: September 2015 and an estimate derived from Tracking to 2020

Annual emissions for the year to September 2015 increased 0.2 per cent compared with the previous year. Increased emissions from the electricity, industrial processes and product use and transport sectors were partially offset by a decline in emissions from agriculture and fugitives emissions from fossil fuel extraction and production.

Emissions per capita and the emissions intensity of the economy, including the land sector, were both at their lowest levels in 26 years in the year to September 2015. Emissions per capita have fallen 28.6 per cent since 1990, while the emissions intensity of the economy has fallen 53.4 per cent since 1990.

In the September 2015 quarter, emissions levels excluding the land sector increased by 0.3 per cent in trend terms, and increased 1.0 per cent on a seasonally adjusted and weather normalised basis.