全球生态环境的急剧恶化,已对人类生存和社会发展构成了严重威胁。目前,无论是发展中国家还是发达国家都在关注这一问题,并正在为改善生态环境作出积极努力。党中央、国务院从历史和战略的高度,就我国生态环境建设问题作出重大部署,要求再造一个山川秀美的西北地区。这对保护中华民族生存空间,保证我国社会主义现代化建设目标的全面实现,都具有重大意义和深远影响。榆林是全国水土流失和风蚀沙化最严重的地区之一,生态环境问 The drastic deterioration of the global ecological environment has posed a serious threat to human survival and social development. At present, both developing and developed countries are paying attention to this issue and are making active efforts to improve the ecological environment. The CPC Central Committee and the State Council have made major plans for the construction of China’s ecological environment from the perspective of history and strategy and demanded the reconstruction of a beautiful northwest region. This is of great significance and far-reaching influence in protecting the living space of the Chinese nation and ensuring the full realization of the goal of socialist modernization in our country. Yulin is one of the areas with the most serious soil erosion and desertification in the country, and the ecological environment