臭氧层不断被破坏，人类的生存环境受到威胁。
As the ozone gradually becomes damaged, humankind's survival is threatened.
10月6日（周一）自然保护国际联盟公布了一年一度的红榜（各种生存环境受到威胁的物种名单）。
The International Union for Conservation of Nature publishes the Red List, its annual inventory of species under threat, on Monday 6th October.
松鼠猴原来的栖息地在南非，而那里的野外生存环境正受到威胁。
Squirrel monkeys are native to South America where their status in the wild is threatened. They are used for biomedical research, as pets, and for bait and food.
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