全球變暖的嚴峻性日益顯現.求這段話的英語翻譯.

題目：

全球變暖的嚴峻性日益顯現.求這段話的英語翻譯.
全球變暖的嚴峻性日益顯現.結果是,人們不得不面對這一挑戰.爲了解決這個問題,有些人想到可以對排放CO2的數量徵稅.但是,目前還不能推測出這種方法是否在減緩全球變暖趨勢中起到重要作用. 求這段話的英語翻譯.

解答：

With the increasing severity of global warming,people have to face the challenge.To solve the problem,someone suggested a taxation according to the amount of CO2 emission.But it is still difficult to estimate whether such method can play an important role in the trend of declining global warming.