Countermeasure

It is to reduce the occurrence of Freon that destroy the layer of ozone.
There are something we can do for the Countermeasure.
For example, buying a fridge which does not discharge CFCs.
That we do not do illegal dumping.
etc etc...

In addition, it is good for us to do easy things such to wear sunglasses
or to wear long-sleeved clothes for measures of disease of skin cancer, etc.