This year’s ozone hole could be the smallest it has been in 30 years
AGreenLiving
SEPTEMBER 17, 2019
For decades, scientists have closely observed the ozone layer , which protects Earth from the sun’s harmful ultraviolet (UV) radiation. Ozone is created in our atmosphere when the sun’s high-energy UV rays rupture the stable covalent bonds of atmospheric oxygen (O2) molecules, transforming them into free radicals.
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