The North Pole is supposed to be one of the few places in the world that is always covered by ice. But researchers have been watching its Arctic sea ice slowly melt over the years.
Is the North Pole Melting?

Is the North Pole Melting?
(via www.greenstudentu.com)
Submitted by Trish1980 on Mon, 2008-06-30 13:30. | Tags: science | environment | global warming