Hundreds of tree species face extinction.

很多树种濒临灭绝。

《柯林斯英汉双解大词典》

Hundreds of tree species face extinction because of deforestation.

由于森林砍伐，很多树种濒临灭绝。

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Unless current greenhouse gas emissions drop, 70 percent of king penguins—1.1 million breeding pairs—will be forced to relocate their breeding grounds, or face extinction by 2100.

除非目前的温室气体排放量下降，否则70%的帝企鹅——即110万对繁殖伴侣——将被迫迁移它们的繁殖地，或者它们会在2100年前濒临灭绝。

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In the U.S., towns in Kansas and the Dakotas face extinction mainly because of an exodus of young people.

FORBES: Magazine Article

By "they", I refer to the thinkers and tacticians at the Treasury who are suggesting that Scottish banknotes may face extinction in the event of independence.

BBC: Malachi Malagrowther and the Scottish banknote

"By the late 21st century, European plant species are projected to shift several hundred kilometers to the north, forests are likely to contract in the south and expand in the north, and about half of the mountain plant species may face extinction, " the EEA says.

CNN: Trying to agree a Kyoto 2.0, as the planet simmers