全球环境不断恶化的今天，我国的环境也日益恶化，环境保护问题逐渐突出，成为制约现代化建设的最主要因素之一，已引起政府的高度重视，把保护环境看作是一项基本国来，它是关系到经济持续发展、改革开放和社会稳定的大事之一。环境保护问题涉及面很广，需要综合治理，但从许 Today, the deteriorating global environment has deteriorated the environment of our country. The issue of environmental protection has gradually become prominent and has become one of the most important factors restricting the modernization. It has drawn great attention from the government and regarded the protection of the environment as a basic state. It is one of the major issues concerning the sustained economic development, reform and opening up as well as social stability. Environmental protection involves a wide range of issues, the need for comprehensive management, but Xu