A funny thing has happened in climate science to scientific inquiry: the usual ethics of free discussion and fact - based criticism have been discarded in favor of ad hominem attacks on critics of AGW theory. (climate-skeptic.com)
The Cruise attack, on the other hand, exemplifies «poisoning the well,» another brand of ad hominem attacks in which the character assault is launched before the listener has a chance to form his or her own opinion on a subject — in this case, Cruise's film. (scientificamerican.com)
The global warming community spends a lot of time with ad hominem attacks on skeptics, usually accusing them of being in the pay of oil and power companies, but they all know that their own funding in turn would dry up rapidly if they were to show any bit of skepticism in their own work. (climate-skeptic.com)