To protect yourself, curb CFC's. They are the ones causing depletion.
To protect ozone layer, we must stop the use of CFC's. They react with ozone to deplete it.
In order to protect the ozone layer we must stop the use of ODS. They contain chemicals which can deplete the ozone layer.
See "What can we do to protect the ozone layer?"
To protect the ozone layer we must:Plant more treesstop use of CFC's.
In order to protect the ozone layer, we must curb the use of CFCs. IF theses CFcs are not used, the ozone layer will replenish itself.
To protect ourselves, we have to protect ozone. Curb the use of CFC's.
Ozone layer depletion causes UV to enter. We must protect ourselves from its harmful actions.
Ozone hole is the thinning of ozone layer. To protect ourselves we have to curb CFC's.
In order to protect the ozone layer, we have to minimize the use of CFC's. These CFC's react with ozone in the ozone layer and deplete it.
To protect the ozone layer, minimize the use of CFC's. They react with ozone to deplete it.
No, you won't. You can't carry an umbrella all time.
To protect ozone layer, we must stop the use of CFC's. They react with ozone to deplete it.
Ozone layer is depleting. We need to protect it.
You want to protect ozone layer. It is a hell precious layer for us.
In order to protect the ozone layer we must stop the use of ODS. They contain chemicals which can deplete the ozone layer.
See "What can we do to protect the ozone layer?"
We have to protect the ozone layer to allow human existence. This existence of ozone is the reason behind human survival.