Possible Clues:

• It's very cold going around in Alaska
• Line of latitude marking the point where, on the winter solstice, the sun will not rise above the horizon
• Heavy transport group capturing carbon in frozen region
• "Trying to find the northern Alaskan hotel on ___?"
• Jerk follows tap artist back to ring one of those in Alaska
• Top of the world
• See highlighted letters intersected by this answer
• In parallel, vehicle carries about enchantress left inside
• Line circling the north pole
• Where it's about 66 degrees? It gets much colder there!