人类繁衍于地球上,一切资源能源皆仰赖于天地所赐,然而,人类所需的能源资源并非总是取之不尽用之不竭的。随着科学水平的突飞猛进,虽然新的资源能源不断被发现,最基本的生存资源实际上却是越来越遭受破坏毁损,就连土地、空气和淡水也已成了令人瞩目的问题。对于自然资源的保护,近数十年 Human beings are multiplying on the earth. All resources and energy are dependent upon heaven and earth. However, the energy resources needed by mankind are not always inexhaustible. With the rapid advancement of science, land, air and fresh water have become noticeable issues even though the new resource and energy are constantly being discovered and the most basic subsistence resources are in fact increasingly damaged and destroyed. For the protection of natural resources in recent decades