有机农业还减少了土壤污染和水污染，降低了温室气体排放量。
Organic agriculture also creates less soil and water pollution and lower greenhouse gas emissions.
为种植小树而挖坑也会从土壤中释放温室气体。
And digging holes to plant saplings releases greenhouse gases from the soil.
通过吸收和储存温室气体，特别是在土壤、植物和树木中，农业起到了碳“汇集地”的重要作用。
Agriculture plays an important role as a carbon "sink" through sequestering and storing greenhouse gases, especially as carbon in soils, plants and trees.
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