| CMM | Coal Mine Methane |
| IPCC | Intergovernmental Panel on Climate Change |
| GWP | Global Warming Potential |
| IEA | International Energy Agency |
| CSY | China Statistical Yearbook |
| CESY | China Energy Statistical Yearbook |
| USEIA | United States Energy Information Administration |
| SACMS | State Administration of Coal Mine Safety Supervision of China |
| CBM | Coal Bed Methane |
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