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中国沙化土地已达174万多平方公里,占国土面积的18.2％,沙化面积每年以3436平方公里的速度扩展。 中国已成为世界上受地质灾害威胁最严重的国家之一。据统计,全国崩塌、滑坡、泥石流灾害点41万处,各类塌陷面积 1500多平方公里,水土流失面积超过180万平方公里。仅崩塌、滑坡、泥石流灾害每年造成900多人死亡,全国有400多个县（市）,1万多个村庄受到威胁,23个省（区、市）存在较为严重的地面塌陷,12个省（区、市）存在较为严重的地裂缝,16
Sandy land in China has reached 1.74 million square kilometers, accounting for 18.2% of the total land area. Sandy areas have expanded at an annual rate of 3,436 square kilometers. China has become one of the countries in the world that is most threatened by geological disasters. According to statistics, 410,000 places of landslides, landslides and mud-rock flow hazards have occurred across the country, covering more than 1,500 square kilometers of various types of land and covering an area of more than 1.8 million square kilometers. More than 900 people died in landslides and landslides alone each year. More than 400 counties (cities) across the country and over 10,000 villages are threatened. There are serious land subsidences in 23 provinces (autonomous regions and municipalities), and 12 provinces (Autonomous regions and municipalities) there are more serious ground fissures, 16