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News Link • Climate Change

Some Time Soon Earth Will Enter A New Ice Age

•, Alice Roberts
 The seasons are turning. In Britain, with an oceanic climate and the mellowing influence of the Gulf Stream, the days become progressively cooler, early morning frosts soon thaw in the autumn sunshine, and the descent into winter is a gradual affair. I have just returned from a trip to Yellowstone and Grand Teton national parks, where summer was just about to become winter, with an abruptness that still surprises even a well-travelled Briton. But humans in the central United States and Britain generally respond to the onset of the cold with similar changes in behaviour, spending more time indoors and digging out woolly jumpers from the bottom drawer. Other animals react by finding a suitable den in which to slumber through the months of cold.

The taxi driver who took me to Jackson Hole Airport told me that it would be snowing within two weeks. The grizzly bears of Grand Teton would already be looking for somewhere to hibernate. Many birds, being among the most mobile of vertebrates, take to the wing and fly south to find warmth. Some North American and northern European humans do the same, overwintering in Mediterranean refugia.

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