It happened in "The Fall of the House of Usher" (by Edgar Allan Poe) that while Usher and the narrator speaks, Usher's sister walks through the room, apparently unaware of the narrator. The narrator's reaction to seeing Usher's sister when he sees her pass through the room was with an utter astonishment not unmingled with dread.
The artic is like air conditioning for the northern hemisphere. If it goes away it could change the weather conditions and climate patterns. If the artic moves away it could also lead to floods and droughts which are more catastrophic. This helps transformation of the environment.
