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在现代,许多的大城市都已绿化为主,因为高度工业化,现代化和人口迅猛增长,世界各国,都面临一个十分严峻的问题:环境污染,那就是城市爆炸,自然环境和自然与人工环境生态系统的破坏。为了全人类的长远健康、幸福和欢乐,人类必须与他赖以生存的环境和谐相处,和明智地利用自然资源。人类社会的未来,由于人口迅猛增长和对自然资源需求不断增长的严重威胁,在此严峻局面下,仍然要保持生存环境不受破坏,自然资源不致浪费。
In modern times, many large cities have been greenery-oriented. Due to the high degree of industrialization, modernization and rapid population growth, all countries in the world face a very serious problem: environmental pollution, that is, urban explosions, the natural environment and the natural and artificial environment and ecology System damage. For the long-term health, happiness and joy of all mankind, mankind must live in harmony with the environment in which he lives, and make wise use of natural resources. Due to the rapid population growth and the growing threat to the natural resources, the future of human society still needs to maintain the living environment intact and not waste natural resources under this severe situation.