Guardian: Remember five years ago, when we allegedly thought that there would be over 50,000 Manhattans of Arctic sea ice at the 2065 summer sea ice minimum?

We must impose a carbon limit on new electricity generation here and now | Keith Barnham | Environment | guardian.co.uk

Arctic ice is melting faster than expected. Five years ago authoritative predictions suggested it would take until 2065 to shrink to the size it reached last month.

Dec. 2007 | Arctic summers ice-free 'by 2013'

"Our projection of 2013 for the removal of ice in summer is not accounting for the last two minima, in 2005 and 2007," the researcher from the Naval Postgraduate School, Monterey, California, explained to the BBC.

"So given that fact, you can argue that may be our projection of 2013 is already too conservative."