An iceberg is a floating mass of freshwater ice that has broken, or calved, from the seaward end of a glacier or polar ice sheet. The frightening fact is that this ice is melting at an alarming rate.
An iceberg is a floating mass of freshwater ice that has broken, or calved, from the seaward end of a glacier or polar ice sheet. The frightening fact is that this ice is melting at an alarming rate.