Associated Press: Models in head-to-toe yeti suits picked their way around towering but quickly melting icebergs, sloshing through a deep puddle of Arctic melt in their shaggy fake fur. Call it climate change chic, Chanel style. Designer Karl Lagerfeld looked Tuesday to global warming, turning the melting of the polar ice caps into fodder for Chanel’s fall-winter 2010-11 ready-to-wear look. Because, after all, what use is the threat of a catastrophe of global proportions if not to fuel fashion …