Loss of ozone can lead to UV entering the earth. This UV is fatal to life on earth.
The ozone depletion is the loss of ozone. It allows harmful UV rays to pass through it.
Severely damaged ozone could be a loss. It will cause the all harmful UV to enter and destroy.
No ozone is not always harmful. the ozone at stratosphreric level is good.
Halons are harmful for ozone. They also react with ozone to deplete it.
Ozone in troposphere is harmful. It acts as a pollutant.
The harmful effects of ozone are seen at ground level. Ozone acts as a pollutant there.
Ozone is harmful at ground level. It acts as a pollutant.
The ozone is harmful not at stratosphere. It is harmful at some layer. Te layer is troposphere.
Ozone layer cannot be harmful. It protects us from harmful UV rays of the sun.
It is harmful at ozone layer. It is because this leads to depletion of ozone.
The loss of ozone layer is the loss of ozone molecules. It is due to the CFC gases released.
See "How can ozone be harmful and helpful?" in the "Related questions" section below.