Denialists are not interested in truth or consistency of any kind. Instead, they have a dogma and an agenda and will take advantage of any arguments that serve these things, even if those arguments don’t really fit together. Nowhere does this become more obvious than in the issue of global warming.
John Cook, who runs the website Skeptical Science, has assembled a long list of contradictions made by global warming denialists. With this, he and other contributers totally wreck what little credibility these political and pseudoscientific hacks ever had!