Ozone Hole Over Antarctica Nears Record-Breaking Size Again

Post 4897

Ozone Hole Over Antarctica Nears Record-Breaking Size Again

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 theprotective 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 an annual phenomenon, but for the past nine years, the ozone hole has been consistently smaller than the record-breaking 27 -million-square-km (10.4 million square miles) ozone hole measured in 2006, according to annual records from NASA’s Goddard Space Flight Center. Scientists thought the apparent stabilization indicated that the ozone layer was recovering very gradually. But this year’s ozone hole surprised them because it formed a whole month later in the year than the ozone hole typically forms, and its size is almost record-breaking. [Top 10 Ways to Destroy Earth]

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