Sea Save Foundation
Contributor
A large crack has been found in one of Greenland’s largest glaciers, the Petermann Glacier. A break is significant because the entire glacier melting could cause a one foot sea level rise. Pieces several times larger than Manhattan has been lost in 2010 and 2012. It is also worrisome because the crack is forming in the middle, when cracks usually form on the sides. The ice breaking off could be 50-70 square miles in size. Check out number 6 to read more