过去一个世纪地球气候发生了引人注目的变化，最显而易见的是全球气温的升高

过去一个世纪地球气候发生了引人注目的变化，最显而易见的是全球气温的升高，海平面的上升，极端天气发生的频率增加。

結果 (英文) 1:

Earth's climate over the past century occurred dramatic changes, the most obvious is the global temperatures rise, the frequency of rising sea levels, an increase in the occurrence of extreme weather.

結果 (英文) 2:

In the past the earth's climate occurred in the last century attract sb.'s attention changes, most obviously is the increase in global temperature, rising sea levels, increased frequency of extreme weather events.

結果 (英文) 3:

Dramatic changes in the Earth's climate in the past century, the most obvious is the rise in global temperatures, sea level rise, increased frequency of extreme weather.