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Global warming
Global warming wrote by Bill McGuire is an argumentation on climate issue .the essay was wrote to demonstrate author’s opinion by listing many factors and comparison.
Global warming caused debate on whether natural turnabout or human activities’s pollution leaded to earth warming among scientists.author approved of the latter one .evidence showed human activities had accelerated the speed of warming .compared with the situation in the last millennium,the earth got hotter in recent years ,though variation in the output of sun had significant effect on the climate,it was a consequence of two centuries’pollution that made both temperatures and sea levels would continue to rise . Besides human activities,there were other unartificial factors affected global temperatures since the climate machine was complex,both the output of the sun and volcanic eruptions had a significant effect on earth’s climate ,opponents of anthropogenic warming even thought the world underwent a pronounced cooling between1946 and 1975,thereby the world’s warming was an normal reaction .all was right with the world .
Of course ,these unartificial factors were not the intention of experiment,people came to take the pollution effect into account,but prospects of the future seemed bleak because of our race’s constant thirst for more. the fact was that we were going to face dramatic changes to our environment.
译文：由Bill McGuire所写的全球变暖是一篇关于气候危机的议论文，这篇文章通过列举一些因素和对比来论证作者的观点。
全球变暖引起了科学家们关于是自然转变还是人类活动导致气候变暖的争论。作者认同后一个观点，证据显示人类活动的确加速了气候变暖的进程，相比于过去几千年，地球变得更热了近年来，尽管太阳能量输出队气候有很大影响，但是是由于两个世纪以来污染的结果使得温度和还平面一直上升，除了人类活动的影响，一些非人为因素对全球温度也有这重要影响因为气候机制是十分复杂的，太阳能量输出和火山爆发对地球气候都有很大影响。有些人为因素变暖的反对者甚至人为，地球在1946到1975年间经历过显著的的凉爽，因此现在地球的暖化只是正常的地球反应，地球没问题。
当然，这些非人为因素都不是实验的目的。人们开始考虑污染对气候变暖的影响，但是未来的前景似乎很黯淡，因为人类总是渴望得到更多。事实是我们将面对环境的巨大改变。
Key words:
Global warming n;全球变暖 turnabout n;转变 Climate n气候 Millennium n;千年 Variation n变化
unartificial adj非人为的 Output n输出
Volcanic eruptions 火山的爆发 Anthropogenic adj人为的 Pronounced adj显著的 Prospects n 前景
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2022-09-04
