Nothing in that ref about viking graves being found under melting permafrost
Are you making this up?
and plenty here about viking graves away from the currently melting permafrost
http://sciencenordic.com/greenlands-viking-settlers-feasted-seals-then-leftAlso plenty in your link about permafrost melting and declining arctic sea ice
And you wonder why you get called blinkered
your own links don't even support your view
