That's an ad-hom.
Originally Posted by lomiller1
I read his paper, and found some of his arguements compelling, particularly the following:
If the world could warm so much on such a short time scale as a result of natural causes, surely the 20th century climate change could simply be a natural effect as well. And the present climate change could hardly be considered unusually hazardous if even larger climate changes happened in the recent past, and we are simply fluctuating in the middle of what nature regularly dishes out.