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Greenhouse gas emissions decreased in 11 out of 16 regions in New Zealand in the year ended December 2022, with Northland accounting for the second-biggest drop.
Stats NZ figures released on August 22 showed that emissions of carbon dioxide equivalents in Northland dropped by 540 kilotonnes (13 per cent) between 2021 and 2022, second only to Waikato. Stats NZ attributed the decrease largely to the ending of oil refining activity in the region.
The oil refinery at Marsden Point stopped operations in March last year, with the facility transitioning to an import-only terminal.
Emissions from agriculture, forestry, and fishing in Northland also dropped, although household emissions rose, by 3.8 per cent.
Household emissions come mostly from transport and heating/cooling. Across NZ, they accounted for about 12 per cent of the total emissions in 2022, with the rest coming from industry.
