Global warming and climate change are terms for the observed century-scale rise in .... Statistical uncertainty means that it is hard to separate years where the ...
an increase in the earth's average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect .
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.
Melting polar ice caps are the result of
An increase in the average temperature of the earth's atmosphere, especially a sustained increase sufficient to cause climatic change. American Heritage® ...