Scientific skepticism is healthy. Scientists should always challenge themselves to expand their knowledge and improve their understanding. Yet this isn't what happens in global warming skepticism. Skeptics vigorously criticize any evidence that supports man-made global warming and yet eagerly, even blindly embrace any argument, op-ed piece, blog or study that refutes global warming.
So this website gets skeptical about global warming skepticism. Do their arguments have any scientific basis? What does the peer reviewed scientific literature say?
After that, worth adding is that this is one of the most accessible and clean cut information loaded websites around. For the layperson who wants to seriously investigate the AGW issue, this treasure trove of Q/A belongs at the very top of your list. Politics is kept out of the discussion, it is all about the science and understanding - including all the citations and links needed to allow anyone to dig much deeper.
Also, they have been covering the Abraham v Monckton story from the gitgo.