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根据联合国公布的资料,目前全球有110多个国家、10亿多人受到沙漠化威胁,其中1.35亿人面临流离失所的危险。联合国的研究还表明,气候变暖导致占全球41%的干旱地区土地不断退化,沙漠面积正在逐渐扩大。目前干旱地区中有10%~20%的土地已无法耕种,丧失了经济价值。中国处于与沙漠化斗争的最前线,沙漠化土地从东北经华北到西北形成一条不连
According to information released by the UN, at present there are over 110 countries in the world and over 1 billion people are threatened by desertification. Of these, 135 million people are at risk of displacement. The United Nations study also shows that the climate warming causes the land in 41% of the world’s arid areas to deteriorate continuously and the desert area is gradually expanding. At present, 10% to 20% of the arid areas have been unable to cultivate land and lose their economic value. China is at the forefront of the fight against desertification. Desertified land forms a non-connecting area from northeast to northwest through north China