What is Climate Change? Why is the Climate Changing?
Author:
National Oceanic and Atmospheric Administration (NOAA)
Date Published:
10/2007
Description:
According to source, "We know that the global climate is currently changing. The last decade of the 20th Century and the beginning of the 21st have been the warmest period in the entire global instrumental temperature record, starting in the mid-19th century…"
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