A polar bear navigates ice floes in Baffin Bay in the Canadian Arctic on July 10, 2008. This year's cooler summer means that the Arctic probably won't experience ice-free summers until 2030 or 2040, September 2009 research shows—but experts warn the cooling could be just a one-year reprieve. Photograph by Jonathan Hayward/The Canadian Press/AP Photo From The National Geographic:
This year's cooler-than-expected summer means the Arctic probably won't experience ice-free summers until 2030 or 2040, scientists say.
Some models had previously predicted that the Arctic could be ice free in summer by as soon as 2013, due to rising temperatures from global warming.
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