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Australia is developing a new carbon crediting methodology for alternative waste treatment, which will include biomethane generation for the first time. The Australian Resources Recovery Council will lead this effort under a proponent-led framework introduced in 2024.

The previous methodology expired in March 2025, generating 5.57 million carbon credits. Industry submissions call for extending the crediting period to 20-25 years and formally recognizing biomethane production. If approved, the new method could enable an additional 13 to 14 million tonnes of carbon dioxide equivalent abatement per year, pending ministerial consideration.