News tagged with polar regions

Ultrafast substorm auroras explained (w/ video)

( -- From time to time, sudden releases of energy in Earth's magnetosphere lead to major disturbances that result in bright auroral displays over the planet's polar regions. These auroras are caused by a phenomenon ...

dateSep 06, 2011 in Astronomy
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Obama won't fight global warming with bear rules

(AP) -- The Obama administration, which promised a sharp break from the Bush White House on global warming, declared Friday it would stick with a Bush-era policy against expanding protection for climate-threatened polar ...

dateMay 08, 2009 in Environment
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