Normally, the amount of ozone in the stratosphere ranges from 30 to 100 ozone particles per billion air molecules. (sciencemag.org)
When the sun is at its most intense, ozone in the stratosphere absorbs more ultraviolet energy, making areas near the equator warmer than usual. (discovermagazine.com)
What studies have been done in the paleo record regarding CO2 effects on ozone in the stratosphere and how it affected life? (judithcurry.com)