在过去20年，中国通过统一的植树造林规划和大面积天然林禁伐，使森林覆被率从12%增加到18%以上。
Over the past 20 years, China's forest cover has grown from around 12 percent to more than 18 percent through a concerted reforestation program and a ban on logging across vast areas of the country.
人工造林面积、森林覆盖率和林业用地面积平稳上升，但四旁植树株数下降幅度较大。
The area of artificial forestation, forest cover rate and forestry land were increasing steadily, but trees along the road and field were reducing greatly.
中国在大力鼓励植树造林，以期在2010年使森林覆盖率达到20%。
China has committed to a target of 20% forest cover by 2010, and tree planting has been actively encouraged.
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