Meltdown: how long does the Arctic have? - Times Online
Professor Mark Serreze, from the University of Colorado’s National Snow and Ice Data Centre, who works with Holland, believes that this latest thinning represents a significant change in the destruction of the ice cap. “The key new idea is that as the ice thins it reaches a point where it becomes very vulnerable. It gets so thin that it can get broken up or just melt away very easily. Once that happens it could be very hard for it ever to recover, especially if we get more hot summers. This year is going to be crucial.”I fail to grasp what's so hard about ice reforming from liquid water. Doesn't this happen quite often?
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