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环境是人类生存的基本条件,是人类赖以生存的基础。当历史跨入20世纪,人类升上太空,回头观望地球时,才惊异地发现自己正处于一个相当严峻的关头:人口膨胀、沙漠蔓延、森林锐减、水源污染、酸雨肆虐、垃圾成灾、臭氧层被破坏、温室效应加剧、珍稀动物濒临灭绝……正如世界卫生组织在一份关于世界卫生日的宣传材料中说的:“当我们进入21世纪的时候,环境污染将取代核战争而成为地球的最大威胁。”人类已面临着如此沉重的挑战,环境保护正成为
Environment is the basic condition for the survival of mankind and the foundation upon which mankind depends. When history entered the 20th century and ascended into space and looked back at Earth, it was only a matter of surprise that we found ourselves at a rather grim juncture: population expansion, desert spread, sharp decline in forests, pollution of water sources, raging acid rain, trash disaster, As the ozone layer is destroyed, the greenhouse effect intensifies and rare animals are on the verge of extinction ... As the World Health Organization said in a promotional material on World Health Day: “As we enter the 21st century, environmental pollution will replace nuclear warfare as The greatest threat to the planet. ”" Humanity is already facing such a heavy challenge that environmental protection is becoming