Climate Central: High above Antarctica, the atmosphere is slowly recovering from the decades-long barrage of manmade chemicals that ate a hole in the protective ozone layer. But the legacy of that destruction lingers. Scientists have linked the ozone hole that forms each Antarctic spring high above Earth to changes in the fierce band of westerly winds that swirls around Antarctica. Those winds, closer to the continent's surface, have grown stronger and moved poleward over the past several decades. This NASA...
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