Global warming and climate change are terms for the observed century-scale rise
in the ...... In a 2008 NASA article on usage, Erik M. Conway
The question about the
Dec 15, 2014
An increase in the average temperature of the earth's atmosphere, especially a sustained increase sufficient to cause climatic change. American Heritage® ...
Dec 5, 2008
To learn about
the recent increase in the world's temperature that is believed to be caused by the increase of certain gases (such as carbon dioxide) in the atmosphere. Source : ...
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