Some are cool to idea that Earth is warming

Local psychotherapist Philip Chard takes up climate change skepticism in his December 15, 2009 column in the Milwaukee Journal Sentinel.

Recent polls show at least one-third of us don't believe our world is warming, and that percentage appears to be rising. ...

Three factors make this possible: (1) lack of social proximity, (2) diminished scientific literacy and (3) direct personal experience.

He leaves out (4) suspicion of the hard sell.