城市固体废弃物(MSW)在填埋处理时，甲烷菌将使废弃物中的有机物质发生厌氧分解，从而会有甲烷排放到大气中。
The organic material will be anaerobic decomposed by methane bacteria when municipal solid waste (MSW) is processing in landfills, thus methane will be emitted to the atmosphere.
有机固体废弃物如农业和林业生产废弃物、城市生活垃圾等具有一定的能量价值，应加以回收利用。
Organic wastes such as agricultural and forest residue, and municipal waste have certain energy values, which should be recovered and utilized.
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