Population growth hampers Australia’s emissions reductions

Friday 27 February 2026

The Department of Climate Change, Energy, the Environment and Water (DCCEEW) has released its National Greenhouse Gas Inventory for the September quarter of 2025.

It shows that overall greenhouse gas emissions declined by 1.9% over the year to September 30, 2025:

Source: Department of Climate Change, Energy, the Environment and Water

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About the author

Leith van Onselen is Chief Economist at the MB Fund and MB Super. He is also a co-founder of MacroBusiness. Leith has previously worked at the Australian Treasury, Victorian Treasury and Goldman Sachs.