[Vision2020] Chicago Marathon Shut Down In Heat Wave

[Ted Moffett]

http://www.cbsnews.com/stories/2007/10/08/national/main3344859.shtml?source=RSSattr=HOME_3344859

However hot it's been lately in Chicago, this summer will be remembered for
another heat wave with huge potential consequences - in the Arctic, reports
*CBS News correspondent Mark Phillips*.

Satellite images, which normally show a summer melt-back of sea ice, this
year recorded a sudden, unexpected and unprecedented melt-off that left open
water across the top of Canada and Alaska and shocked scientists.

"We're seeing unprecedented change," said Walt Meier of the University of
Colorado's National Snow and Ice Data Center. "It's something that we
probably haven't seen, you know, not just in the last hundred years but
probably in several hundred and maybe even thousands of years."
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Vision2020 Post: Ted Moffett
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