Wednesday, February 29, 2012

FOR KIDS: Sudden big chill

Earth?s climate cooled quickly at the beginning of the Little Ice Age, hundreds of years ago

Web edition : 2:31 pm

Climate scientists these days track rising temperatures and worry about global warming. But long ago, people faced a different shift in the weather. For a period of a few hundred years, ending around 1850, a chill called the Little Ice Age gripped much of the northern hemisphere. Temperatures fell, and glaciers grew in the mountains. ?

A series of four volcanic eruptions may have swiftly triggered that global cooling, scientists now report.

Visit the new?Science News for Kids?website?and read the full story:?Sudden big chill


Source: http://www.sciencenews.org/view/generic/id/338846/title/FOR_KIDS_Sudden_big_chill

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