当代社会,随着科技水平的空前发展,工业化、信息化、城市化进程不断加快,人类虽然在经济上获得了丰厚的回报,但是却不得不面对随之而产生的严重后果:地球生态环境遭到破坏、自然资源日益匮乏、世界人口迅速增长……在这些亟待解决的社会问题面前,环境保护、可 In the contemporary society, with the unprecedented development of science and technology, the process of industrialization, informationization and urbanization has been accelerating. Although mankind has obtained huge financial rewards, it has to face the serious consequences arising therefrom: the ecological environment of the Earth Destroyed, the natural resources become scarcer and the world’s population grows rapidly. In the face of these urgent social problems, environmental protection can be