Early in the 20th century, the prevailing notion was that people could alter climates locally (for instance, by cutting down forests and ploughing virgin fields) but not globally.

20世纪初，普遍认为人类可以改变区域气候(比如，通过砍伐森林与开垦土地)，但对于全球气候还无能为力。

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Early in the 20th century, the prevailing notion was that people could alter climates locally (for instance, by cutting down forests and ploughing virgin fields) but not globally.

20世纪初，普遍认为人类可以改变区域气候(比如，通过砍伐森林与开垦土地)，但对于全球气候还无能为力。

youdao