Whatever Mr. Yeaman's eyes may tell him, actual measurement of sea ice extent — «apples to apples» for the month of the minimum, which as dhogaza points out is September — shows an unequivocal decline over the last 10 years: (tamino.wordpress.com)
As Hank and dhogaza suggest, your opinions will be better informed if you rely on peer - reviewed articles and sites such as Real Climate that are based on, and cite, them. (realclimate.org)