Yep... everything is always 'down the road'... yet when the facts hit home, the real time-frames are always MUCH shorter.
The article indicates all that has NOT been accounted for... what this all truly means is anyone's guess... and THAT'S the real scary part.
2.21.11 follow up...
.... scientists themselves may become targets of criminal investigations.
Permafrost Melt Soon Irreversible Without Major Fossil Fuel Cuts - IPS ipsnews.net