Recent Examples of ozone hole from the Web
The ozone hole hit its highest in 2000 at 11.5 million square miles (29.86 million square kilometers).
Today, the use of CFCs (the main cause of ozone-damaging halogens) has now been largely stopped and the stratosphere, including the ozone hole, is slowly recovering.
In the late 1980s, the Montreal Protocol limited the production of ozone-depleting chemicals to help close the ozone hole, which had been steadily expanding due to the release of chemicals found in a wide-array of consumer products.
The ozone hole over Antarctica shrank to its smallest peak since 1988, NASA said Thursday.
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First Known Use of ozone hole
OZONE HOLE Defined for English Language Learners
Definition of ozone hole for English Language Learners
: an area of the ozone layer where there is very little ozone
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