Nature: Global warming is changing the location of Earth's geographic poles, according to a new study in Geophysical Research Letters.
Researchers at the University of Texas, Austin, report that increased melting of the Greenland ice sheet -- and to a lesser degree, ice loss in other parts of the globe -- helped to shift the North Pole several centimeters east each year since 2005.
"There was a big change,' says lead author Jianli Chen, a geophysicist.
From 1982 to 2005, the pole drifted southeast...