Polar link unites far extremes of north and south
From the Climate News Network:
|They are different worlds, one an ocean, the other a continent. But a polar link keeps them in touch with each other.
By Tim Radford
|LONDON, 30 November, 2020 − The Arctic and Antarctica are literally a world apart, but for an unlikely polar link. Change in the mass of ice in the north can and does precipitate change in the furthest reaches of the southern hemisphere. According to 40,000 years of geological evidence, when the Arctic Ocean ice retreats, global sea levels rise to start washing away the sea ice around the shelf of the vast frozen continent at the other extreme of the planet, whose two hemispheres are in a kind of conversation.|