Xiaolu Guo’s novella follows an Inuit hunter to a climate conference in Berlin, where he meets a polar bear. — A novella by Xiaolu Guo. First commissioned for Weather Stations, an international project exploring literary responses to climate change. Image by Derek Keats via Flickr PRELUDE A great iceberg is drifting on the water. If you were a bird or a fish, and if you followed this iceberg long enough, you…