Ozone hole could've been a big one this year – but it wasn’t

ENN
Nov 7, 2018, 2:29 pm40 pts
The ozone hole that forms over the Antarctic each September is primarily driven by two factors: the amount of ozone-destroying chlorine in the polar stratosphere and the availability of ice crystals in stratospheric clouds for the chlorine to bind to. This year, the super-cold stratospheric temperatures…

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