Another recent study found that a single tillage does not harm yield or soil structure in land that is normally not tilled.
另一项最新研究发现，单独一次耕作不会对通常不耕作的土地产量或土壤结构造成破坏。
2
Average Arctic temperatures have risen by 2 degrees Celsius in recent years, melting soil that had been frozen for millennia.
近年来北极的平均温度上升了2摄氏度，冻结了数千年的土壤开始融化。
3
Also for recent global climate change, environmental pollution, deforestation and soil erosion, the locals even can't get enough water for survival in the dry season.