CTV: A new discovery by scientists at McGill University suggests that heat from the depths of the ocean is being trapped under the Antarctic ice shelf -- all the result of climate change.
In the 1970s, researchers in Antarctica observed an open body of water the size of New Zealand within an ice pack in the Southern Ocean's Weddell Sea.
Until now, they believed the phenomenon, known as the Weddell polynya, to be a rare occurrence. But researchers at McGill say that the polynya in Antarctica has...