sea ice

The animals showed signs of emaciation, which may have been triggered by lack of food due to melting sea ice.
As global warming concerns grow, the U.S. secretary of state points to Arctic sea lanes as "an opportunity."
Scientists say they haven't seen these features before.
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Today is Arctic Sea Ice Day, a day founded by Polar Bears International to draw attention to sea ice loss in the Arctic, why
Climate change, and not hunting, is the real threat to the polar bear populations. And that is what the WWF and Greenpeace International are advocating while respecting the rights of the indigenous communities of the high North.
The oceans have heaved up and down as world temperatures have waxed and waned, but as new research tracking the past 2,800
Living conditions outside the cozy confines of our ship are harsh at best, but amazingly we've had a number of wildlife encounters over the past two weeks.
As summer and autumn sea ice diminishes in the Arctic Sea, polar bears spending more time on shore have been spotted eating eggs, hunting down the nesting birds that lay them, hunting other land animals and even chewing on edible plants growing onshore. But is that enough to sustain them in an ice-scarce Arctic? No, says a new study.
With the return of the sun to the Arctic after months of winter darkness, the ice shrinks to a minimum in September. The
Hampton Sides has written one hell of an Arctic adventure story. In the Kingdom of Ice is the tale of Lieutenant George Washington De Long and his crew aboard the USS Jeannette who, in 1879, attempted to find the North Pole through the Arctic.
For study: http://www.nature.com/nclimate/journal/vaop/ncurrent/full/nclimate2226.html (Editing by Mark Heinrich) Sea levels