ozone layer

More information on the current state of the ozone layer is found here.

They have no known effects at all on the ozone layer.

We must all be concerned about the environment, the ozone layer.

Probably was more common before the hole in the ozone layer and all that.

Until now, the ozone layer had been expected to return to its 1980 condition by about 2050.

The same applies in the case of the ozone layer.

This ozone layer is important to society and the environment for two reasons.

He apparently has learned little from recent experience with earth's ozone layer.

What actions have been taken to protect the ozone layer?

That must have a profound effect on the ozone layer.

Perhaps they fear how the public would react to more bad news about the ozone layer.

Their party will carry out research on the hole in the Ozone layer.

You can just about wave to the hole in the ozone layer.

The Administration has called for a strong and effective international agreement to protect the ozone layer.

Without this ozone layer things would not have been able to live on the surface of our planet.

On Earth the ozone layer served to filter out a lot.

Land life was impossible before the formation of an ozone layer.

He is not bothered by threats to the ozone layer.

Only then, he said, will destruction of the ozone layer actually diminish.

How large is the depletion of the global ozone layer?

Read more about the recent international developments in saving the ozone layer.

Most people know about the Ozone layer in the earth's stratosphere.

"But people know about the hole in the ozone layer.

It makes me want to punch a hole in the ozone layer!