Historical GHG Emissions: Australia and Oceania Across All Sectors

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Emissions data for this region from the United Nations Framework Convention on Climate Change is currently only available for Australia and New Zealand.

The principal greenhouse gas (GHG) in Australia in 2007 was carbon dioxide (CO2), which made up 73.2% of total GHG emissions. Methane (CH4) accounted for 21.3% CO2-eq, nitrous oxide (N2O) accounted for 4.3%, and hydrofluorocarbons (HFCs) perfluorocarbons (PFCs) and sulfur hexafluoride (SF4) collectively accounted for 1.1% of total GHG emissions in Australia.

Australia’s energy sector contributed approximately 75% of total GHG emissions. Agriculture contributed about 16%, and industrial production and waste contributed roughly 5% and 3% respectively. Total GHG emissions in Australia in 2007 equaled approximately 541,200 Gg CO2-eq, and increased 30% from 1990 to 2007.

The principal greenhouse gasses in New Zealand in 2007 were CO2 (46.6%), methane (35.2%), and N2O (17.0%). Hydrofluorocarbons (HFCs) perfluorocarbons (PFCs) and sulfur hexafluoride (SF4) collectively accounted for 1.2% of total GHG emissions in New Zealand. New Zealand’s agricultural sector contributed 48.2% of total GHG emissions, followed by the energy sector (43.3%), industrial production (6.1%), and waste (2.4%). Total GHG emissions increased approximately 22% from 1990 to 2007.