Related Clues:

• Antarctic covering
• 'An Inconvenient Truth' topic
• Skin of frost
• See 131 Across
• "The ___ of the Ancient Mariner"
• Shrinking feature
• Top in a bakery
• Coleridge work
• Polar region
• South Pole feature
• Arctic covering
• Icy frost
• Dew's chilly cousin
• Polar expanse
• ''Mending Wall'' poet