Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage?

Why damage to the ozone layer is a cause of concern?What steps are being taken to limit this damage?

Damage to the ozone layer is a cause of concern.

How is ozone formed in the upper atmosphere? Why is damage to the ozone layer a cause of concern to us. What causes this damage?

How is ozone formed in the upper atmosphere? Why is the damage of ozone layer a cause of concern to us ? State a cause of this damage.