Hundreds of tree species face extinction.

很多树种濒临灭绝。

Hundreds of tree species face extinction because of deforestation.

由于森林砍伐，很多树种濒临灭绝。

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。

We're both trying to save animals that face extinction.

我们都试图去挽救濒危动物。

Two endangered species of wading bird face extinction because of the changes.

由于这些变化，涉水鸟的两个濒危种类面临着灭绝。