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Urgency to update Germany’s coal mine methane emission factor
Ember reports that Germany's official coal mine methane (CMM) emissions are likely underestimated by 28 to 220 times. The current reporting relies on a single emission factor from a 1989 study that does not account for depth, geological variability, or surrounding strata. Independent estimates suggest annual emissions could be as high as 307,000 tonnes, compared to the 1.39 thousand tonnes officially reported for 2022. Ember recommends that Germany implement deposit-specific emission factors, direct measurements for active and closed mines, and pre-mine drainage to mitigate emissions.
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Document type: Report