He shouldn't be concerened. While the Arctic is warming Antartica is mainly unaffected by global warming. The only bit warming is the West Antarctic Penninsula. That has only a small area.

Antarctica temperature trend is very uncertain due to big interannual oscillations and short timeseries anyway recent data shows warming over most antarctica :
http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=1...