Earth’s ozone layer took more than two billion years to stabilize

When we marvel at the wonders of nature – like the sweet aroma of spring roses, the melodies of songbirds, or the brilliant colors of autumn leaves – there’s an unsung hero working quietly behind the scenes: the ozone layer.

This thin shield in the stratosphere protects Earth from harmful ultraviolet radiation (UVR), safeguarding biodiversity and enabling life as we know it.

Yet, the…