2016年12月大學英語四級作文：全球變暖
Directions: For this part, you are allowed 30 minutes to write a short essay on the topic Environmental Protection. You should write at least 120 words following the outline given below.
1. 全球變暖對地球環境造成了很大影響
2. 引起全球變暖的原因
3. 我們需要采取的措施
Environmental Protection
No one，regardless of race, religion or nationality, can deny that the world we live in is becoming increasingly intolerable because of the effects of global warming. According to many experts, even greater impacts are still on the way.
There are numerous causes for this problem. On one hand, human-related emissions of carbon into the atmosphere is causing, and will in the future cause, significant global warming according to the theory. On the other hand, the lack of knowledge about the importance of protecting environment hinders the solving of the problem.
It is urgent that immediate and effective actions should be taken right away. First, more trees need to be planted to help improve and beautify the environment. Besides, stricter laws concerning global warming and irresponsible use of fuel resources have to be put into effect and achieved good results. In a word, there is a long way to go before we can take a comfortable world for granted again.
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