For the last year, the Pine Island Glacier in western Antarctica has been seemingly poised to calve off a giant iceberg, or icebergs, that in total would represent an area the size of New York City. ... more 

For the last year, the Pine Island Glacier in western Antarctica has been seemingly poised to calve off a giant iceberg, or icebergs, that in total would represent an area the size of New York City. Sea ice may have kept the iceberg from breaki less