New Scientist is reporting here that the warm currents that carry water north from the Gulf Stream are "stuttering", causing fears of an mini Ice Age style temperature reduction.
From the article:
Nobody is clear on what has gone wrong. Suggestions for blame include the melting of sea ice or increased flow from Siberian rivers into the Arctic. Both would load fresh water into the surface ocean, making it less dense and so preventing it from sinking, which in turn would slow the flow of tropical water from the south. And either could be triggered by man-made climate change. Some climate models predict that global warming could lead to such a shutdown later this century.
Time to get that fur coat out?
-A
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