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。
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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