The hole in the ozone layer over Antarctica is nearing record-breaking size again, scientists say. In fact, new observations show that the infamous "ozone hole" is currently larger than the entire continent of North America. Researchers at the German Aerospace Center are using Earth-observing satellites to monitor the protective ozone layer and recently reported that a large, nearly circular hole over Antarctica extends over an area measuring 26 million square km (10 million square miles). Losing part of the ozone layer over Antarctica is...
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