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A much better and graphic video can be found at http://www.youtube.com/watch?v=WKyRHDFKEXQ

Jim Hunt

An article in this week's New Scientist:


Probably paywalled (I subscribe), but based on Livina and Lenton, 2013 - http://doi.org/kkq

"A recent tipping point in the Arctic sea-ice cover: abrupt and persistent increase in the seasonal cycle since 2007"

Chet Murphy

It is interesting just to use google maps to look at land next to the artic. It only took me a few minutes to find numerous potholes in Sibria. See https://maps.google.com/maps?q=69.671404,156.481018&num=1&t=h&z=9&lci=com.panoramio.all.

David Sanger

Chet Murphy (re your comment in the other thread about not being able to see comments). Comments are not hidden.

Check the little « | » at the very bottom of the comment thread to move to the next and previous page of comments.

eg. http://neven1.typepad.com/blog/2013/03/the-cracks-of-dawn/comments/page/2/#comments

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