«Under the 4 - degree Celsius scenario, we would have a high probability of a three - month
ice free period in the summer months by 2050.
Despite the gloomy predictions, a longer than
average ice free period has actually been good for Chukchi polar bears.
«We have not seen
an ice free period in the Arctic Ocean for 2,6 million years.
«We have not seen
an ice free period in the Arctic Ocean for 2,6 million years.