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Riled Up is a journal of science, the environment, exploration, new technology, and related commentary.  Contributors include scientists, explorers, engineers, and others who provide perspectives and context not typically offered in general news circulation.  For interested readers, additional resources are included.

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Greenland's green auroras

When the Vikings reached Greenland in the ~9th Century they must have been looking for color inspiration in naming the ice-bound island. The Northern Lights of the night sky may have helped them. Research on auroras has observed strikingly beautiful green displays there. [caption id="attachment_6806" align="aligncenter" width="1400" caption="Greenland aurora (credit: Staryearth.com)"][/caption] WHB
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An ice chunk that dwarfs the Big Apple

Dear deniers of climate change: Anybody know what a gigaton is? Especially when used in this sentence, about the Greenland and Antarctic ice sheets. Researchers at the University of California, Irvine and colleagues found that the two sheets lost a combined average of 36.3 gigatonnes more than they did the previous year. Giga- means billion. So the ice sheets lost 36 billion tons MORE ice than they did the previous years.  That seems like a lot. [caption id="" align="alignleft" ...
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