This past summer was cooler,but it would have been a whole lot cooler without Global Warming
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.
"I look at it as a one-year reprieve," Walter Meier, a scientist at the U.S. National Snow and Ice Data Center in Boulder, Colorado, said. "I don't expect that to continue."
For one thing, this year's ice is thinner than in the past, and thus more vulnerable to future melt.
"If we get another really warm summer," Meier said, "we'll probably be back to where we were in 2007." Reported in National Geographic
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