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In the midst of an energy crisis, coal remains essential to the energy mix of many countries. Over time, coal reserves inevitably deplete, and as a result, coal mining progresses, and mines are closed and abandoned. Abandoned mines continue to emit methane for many years after closure, yet their emissions remain uncontrolled and unmonitored in many coal-producing regions. Closed mines may offer a small but significant opportunity to exploit a clean energy resource, known as Abandoned Mine Methane (AMM), which can ...