Tuesday, August 9, 2011

Whatever happened to the Arctic ice tipping point?

Image by Leonie Scholosser

Do you remember the claims Arctic ice had reached a tipping point and would disappear in the near future?
Joey Comiso reports that this year’s large Arctic sea ice decline may be the tipping point for perennial ice and a recovery may no longer [be] possible in the foreseeable future.
Just like many of the anthropogenic global warming crowds claims, it was false.
Scientists say current concerns over a tipping point in the disappearance of Arctic sea ice may be misplaced.
Danish researchers analysed ancient pieces of driftwood in north Greenland which they say is an accurate way to measure the extent of ancient ice loss.
Writing in the journal Science, the team found evidence that ice levels were about 50% lower 5,000 years ago.
They say changes to wind systems can slow down the rate of melting.
They argue, therefore, that a tipping point under current scenarios is unlikely.

1 comment:

  1. It is found where any great works of fiction are-- in the FICTION section, of course!

    ReplyDelete

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