Recent Examples of ozone hole from the Web
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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