土地沙漠化是全球性的重大问题,我国有27.3％的国土面积被荒漠化(其中沙漠化土地占国土面积的17％),且目前仍以每年2460平方公里的速度扩展。土地沙漠化造成的环境恶化和经济贫困,直接影响到一个地区乃至整个国家的可持续发展。因此,党中央国务院十分重视防沙治沙工作。将其纳入国民经济和社会发展计划。“告别黄沙,还我山川秀美家园”已经成为无数沙 Land desertification is a major global problem. In China, 27.3% of the country’s land area is desertified (of which desertified land accounts for 17% of the total land area), and is still expanding at a rate of 2,460 square kilometers per year. The environmental degradation and economic poverty caused by desertification have a direct impact on the sustainable development of one region or even the entire country. Therefore, the CPC Central Committee and the State Council attach great importance to desertification prevention work. Incorporate it into the national economic and social development plan. “Say goodbye to the yellow sand, but also my beautiful homeland” has become countless sand