Earth's near-surface air and oceans since the mid-20th century and its projected continuation. Climate is something observed over time — 50 years or more. And what we're seeing is a change in what would be considered normal. A colder (even a couple of) winter for a part of the world won't say anything to against Global warming.
Global warming is the increase in the average temperature of
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其实,这个题目有很多争议的,嗨,对我们无所谓了,冷就多穿呗 ,呵呵~~
-^3.1415926^-
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01/24/2011 postreply
09:46:25
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问题是争议不在这儿。
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01/24/2011 postreply
10:11:33