Ozone is a natural blanket in stratosphere that protects earth from harmful radiation of sun like uv-rays. Depletion of ozone will lead to the entry of harmful radiaton of sun into earth atomosphere and cause havoc.
Depletion of ozone also lead to unseasonal climate change like early rains, delay snowfall etc.
Various species of plant and animals may become extinct .
Ozone layer protects earth from harmful UV radiations from ☀️.
Depletion in ozone means this radiations enter into earth’s atmosphere,which can inturn causes:
Skin infections,skin cancer and other allergies in humans.
Adverse effects on plants(including photosynthesis)
And so on..