Blue and Green: The impacts of climate change are being felt at even the deepest depths of the Antarctic ocean, a new study has found, in a discovery that may explain a 40 year old mystery.
In the mid-1970s, the first satellite images to be studied of Antarctica during the polar winter discovered a strange phenomenon. In the Weddell Sea, researchers noticed a huge ice-free region known as a polynia that remained open for three winters.
Scientists found that the polynia was kept open by warm waters that...