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Ember recommends that Indonesia update its coal mine methane (CMM) emission calculations using IPCC 'average' global emission factors, as current estimates based on 'low emission factors' likely undercount emissions. The brief argues for the inclusion of underground mining data, the development of region-specific emission factors for Sumatra and Kalimantan, and the mandate of direct measurement in underground mines to improve safety and accuracy. It further suggests integrating GHG reporting into business licensing and implementing mitigation techniques like pre-mine drainage and Ventilation Air Methane (VAM) capture. Finally, it advises limiting coal expansion to avoid stranded assets and preparing a just transition for coal-producing regions through renewable energy and critical mineral industries.