Antarctic Sea Ice Extent ReZooms Climbing Published on August 11, 2013 by sunshinehours1 Day 222 in the Antarctic (August 10) sees a big jump in sea ice extent as the climb rezooms! Extent has climbed 290,000 sq km in the last two days and is approaching the 2010 records. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like Loading... Related