Record Arctic Ozone Hole Raises Fears of Worse to Come

SINGAPORE (Reuters) – A huge hole that appeared in the Earth's protective ozone layer above the Arctic in 2011 was the largest recorded in the Northern Hemisphere, triggering worries the event could occur again and be even worse, scientists said in a report on Monday. The ozone layer high in the stratosphere acts like a giant shield against the Sun's ultraviolet (UV) radiation, which can cause skin cancers and cataracts

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Record Arctic Ozone Hole Raises Fears of Worse to Come