[영어/영어작문/영어에세이] 지구온난화와 대기오염

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[영어/영어작문/영어에세이] 지구온난화와 대기오염에 대한 보고서 자료입니다.

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Then, what problems are the earth undergoing because of us? Most of all, atmosphere problems are most serious. There are two atmosphere problems.

One is global warming. Global warming is the phenomenon that the average temperature of the earth's surface rises. The activities of mankind have seriously worsened global warming since the late 20th century. It is said that greenhouse gases such as carbon dioxide, methane, and nitrous oxide are the main cause of global warming.

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