Less than a week after UN Secretary General Ban Ki-moon urged developing nations to commit billions of dollars to fight the effects of climate change, the U.N.'s Intergovernmental Panel on Climate Change (IPCC) released a well-timed preliminary report that basically said its climate models were fairly useless at the moment. In the process, they also threw out basic scientific principles by stating that extreme weather events would become more common, and that its climate models didn't have practical predictability.