Based on a thorough study of factors influencing the processes of methane oxidation and emission, the research progress of landfill models for the methane oxidation, transportation and emission is comprehensively reviewed, where the main defects affecting the accuracy and reliability of models were pointed out. In addition, through the synthetic analysis on the possible impacts of vegetation on methane transportation and emission, the importance of considering the effects of vegetation in landfill methane emission model is illustrated.
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