Much attention is paid to melting sea ice in the Arctic. But less clear is the situation on the other side of the planet. Despite warmer air and oceans, there's more sea ice in Antarctica now than in the 1970s -- a fact often pounced on by global warming skeptics. The latest numbers suggest the Antarctic sea ice may be heading toward a record high this year. The reason may lie in the winds. A new modeling study shows that stronger polar winds lead to an increase in Antarctic sea ice, even in a warming climate.
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