Or maybe he just needs to take off the blinders.
Climate Change Ice-Capped, by Cal Thomas. (Townhall, 9/19/2013)
Excerpt: In 2007, the BBC reported that by 2013, global warming would leave the Arctic "ice free." Oops!
Arctic summers ice-free 'by 2013'. (BBC News, 12/12/2007)
Excerpt: Their latest modelling studies indicate northern polar waters could be ice-free in summers within just 5-6 years.
It's always smart to read beyond the headlines.
'Could' is not synonymous with 'would'.
Big picture, Cal.