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This briefing by Zero Carbon Analytics examines the systemic underestimation of methane emissions in the oil and gas industry. It argues that the industry's reliance on 'component-by-component' estimation methods, often based on industry-led guidance like the API Compendium, fails to account for 'super-emitter' events and significantly diverges from independent measurements obtained via satellites and remote sensors.

This submission by Ember to the Federal Department of Climate Change, Energy, the Environment and Water (DCCEEW) argues for the extension and expansion of Australia's Coal Mine Waste Gas (CMWG) method beyond 2025. Ember recommends extending the methodology to include open-cut mines and improving measurement and verification frameworks to accelerate the decarbonisation of the coal sector.

This working paper explores the differences and potential linkages between national and corporate/facility greenhouse gas (GHG) inventory systems. It argues that while these systems serve different roles—national systems tracking total country emissions and corporate systems providing localized performance data—they are often developed in isolation. The author suggests that integrating source-level data and sharing technical and institutional resources can improve data accuracy, consistency, and the overall effectiveness of climate mitigation strategies.