The problem is that many of their policies end up being made into laws by people who don't look much farther than votes. So neo-scientific mumbo-jumbo gets re-interpreted by non-scientists into some form of law...
Oh and I don't pretend that that senate site is unbiassed. It's the minority blog. However, it gives you some idea of who the so called fringe scientists are.
“CO2 emissions make absolutely no difference one way or another….Every scientist
knows this, but it doesn’t pay to say so…Global warming, as a political vehicle, keeps
Europeans in the driver’s seat and developing nations walking barefoot.” - Dr. Takeda
Kunihiko, vice-chancellor of the Institute of Science and Technology Research at Chubu
University in Japan.
Also of note, notice how they seem to be backing off the Global warming talk since the temps have actually gone DOWN these last few years. Oh wait... now it's Global Climate Change, since warming was easy enough to disprove. The old hockey stick graph makes it's rounds again.